Why Osana takes so long? (Programmer's point of view on current situation)
I decided to write a comment about «Why Osana takes so long?» somewhere and what can be done to shorten this time. It turned into a long essay. Here's TL;DR of it:
The cost of never paying down this technical debt is clear; eventually the cost to deliver functionality will become so slow that it is easy for a well-designed competitive software product to overtake the badly-designed software in terms of features. In my experience, badly designed software can also lead to a more stressed engineering workforce, in turn leading higher staff churn (which in turn affects costs and productivity when delivering features). Additionally, due to the complexity in a given codebase, the ability to accurately estimate work will also disappear. Junade Ali, Mastering PHP Design Patterns (2016)
Longer version: I am not sure if people here wanted an explanation from a real developer who works with C and with relatively large projects, but I am going to do it nonetheless. I am not much interested in Yandere Simulator nor in this genre in general, but this particular development has a lot to learn from for any fellow programmers and software engineers to ensure that they'll never end up in Alex's situation, especially considering that he is definitely not the first one to got himself knee-deep in the development hell (do you remember Star Citizen?) and he is definitely not the last one. On the one hand, people see that Alex works incredibly slowly, equivalent of, like, one hour per day, comparing it with, say, Papers, Please, the game that was developed in nine months from start to finish by one guy. On the other hand, Alex himself most likely thinks that he works until complete exhaustion each day. In fact, I highly suspect that both those sentences are correct! Because of the mistakes made during early development stages, which are highly unlikely to be fixed due to the pressure put on the developer right now and due to his overall approach to coding, cost to add any relatively large feature (e.g. Osana) can be pretty much comparable to the cost of creating a fan game from start to finish. Trust me, I've seen his leaked source code (don't tell anybody about that) and I know what I am talking about. The largest problem in Yandere Simulator right now is its super slow development. So, without further ado, let's talk about how «implementing the low hanging fruit» crippled the development and, more importantly, what would have been an ideal course of action from my point of view to get out. I'll try to explain things in the easiest terms possible.
else if's and lack any sort of refactoring in general
The most «memey» one. I won't talk about the performance though (switch statement is not better in terms of performance, it is a myth. If compiler detects some code that can be turned into a jump table, for example, it will do it, no matter if it is a chain of if's or a switch statement. Compilers nowadays are way smarter than one might think). Just take a look here. I know that it's his older JavaScript code, but, believe it or not, this piece is still present in C# version relatively untouched. I refactored this code for you using C language (mixed with C++ since there's no this pointer in pure C). Take a note that else if's are still there, else if's are not the problem by itself. The refactored code is just objectively better for one simple reason: it is shorter, while not being obscure, and now it should be able to handle, say, Trespassing and Blood case without any input from the developer due to the usage of flags. Basically, the shorter your code, the more you can see on screen without spreading your attention too much. As a rule of thumb, the less lines there are, the easier it is for you to work with the code. Just don't overkill that, unless you are going to participate in International Obfuscated C Code Contest. Let me reiterate:
Perfection is achieved, not when there is nothing more to add, but when there is nothing left to take away. Antoine de Saint-Exupéry
This is why refactoring — activity of rewriting your old code so it does the same thing, but does it quicker, in a more generic way, in less lines or simpler — is so powerful. In my experience, you can only keep one module/class/whatever in your brain if it does not exceed ~1000 lines, maybe ~1500. Splitting 17000-line-long class into smaller classes probably won't improve performance at all, but it will make working with parts of this class way easier. Is it too late now to start refactoring? Of course NO: better late than never.
If you think that you wrote this code, so you'll always easily remember it, I have some bad news for you: you won't. In my experience, one week and that's it. That's why comments are so crucial. It is not necessary to put a ton of comments everywhere, but just a general idea will help you out in the future. Even if you think that It Just Works™ and you'll never ever need to fix it. Time spent to write and debug one line of code almost always exceeds time to write one comment in large-scale projects. Moreover, the best code is the code that is self-evident. In the example above, what the hell does (float) 6 mean? Why not wrap it around into the constant with a good, self-descriptive name? Again, it won't affect performance, since C# compiler is smart enough to silently remove this constant from the real code and place its value into the method invocation directly. Such constants are here for you. I rewrote my code above a little bit to illustrate this. With those comments, you don't have to remember your code at all, since its functionality is outlined in two tiny lines of comments above it. Moreover, even a person with zero knowledge in programming will figure out the purpose of this code. It took me less than half a minute to write those comments, but it'll probably save me quite a lot of time of figuring out «what was I thinking back then» one day. Is it too late now to start adding comments? Again, of course NO. Don't be lazy and redirect all your typing from «debunk» page (which pretty much does the opposite of debunking, but who am I to judge you here?) into some useful comments.
Unit testing
This is often neglected, but consider the following. You wrote some code, you ran your game, you saw a new bug. Was it introduced right now? Is it a problem in your older code which has shown up just because you have never actually used it until now? Where should you search for it? You have no idea, and you have one painful debugging session ahead. Just imagine how easier it would be if you've had some routines which automatically execute after each build and check that environment is still sane and nothing broke on a fundamental level. This is called unit testing, and yes, unit tests won't be able to catch all your bugs, but even getting 20% of bugs identified at the earlier stage is a huge boon to development speed. Is it too late now to start adding unit tests? Kinda YES and NO at the same time. Unit testing works best if it covers the majority of project's code. On the other side, a journey of a thousand miles begins with a single step. If you decide to start refactoring your code, writing a unit test before refactoring will help you to prove to yourself that you have not broken anything without the need of running the game at all.
This is basically pretty self-explanatory. You set this thing once, you forget about it. Static code analyzer is another «free estate» to speed up the development process by finding tiny little errors, mostly silly typos (do you think that you are good enough in finding them? Well, good luck catching x << 4; in place of x <<= 4; buried deep in C code by eye!). Again, this is not a silver bullet, it is another tool which will help you out with debugging a little bit along with the debugger, unit tests and other things. You need every little bit of help here. Is it too late now to hook up static code analyzer? Obviously NO.
Code architecture
Say, you want to build Osana, but then you decided to implement some feature, e.g. Snap Mode. By doing this you have maybe made your game a little bit better, but what you have just essentially done is complicated your life, because now you should also write Osana code for Snap Mode. The way game architecture is done right now, easter eggs code is deeply interleaved with game logic, which leads to code «spaghettifying», which in turn slows down the addition of new features, because one has to consider how this feature would work alongside each and every old feature and easter egg. Even if it is just gazing over one line per easter egg, it adds up to the mess, slowly but surely. A lot of people mention that developer should have been doing it in object-oritented way. However, there is no silver bullet in programming. It does not matter that much if you are doing it object-oriented way or usual procedural way; you can theoretically write, say, AI routines on functional (e.g. LISP)) or even logical language if you are brave enough (e.g. Prolog). You can even invent your own tiny programming language! The only thing that matters is code quality and avoiding the so-called shotgun surgery situation, which plagues Yandere Simulator from top to bottom right now. Is there a way of adding a new feature without interfering with your older code (e.g. by creating a child class which will encapsulate all the things you need, for example)? Go for it, this feature is basically «free» for you. Otherwise you'd better think twice before doing this, because you are going into the «technical debt» territory, borrowing your time from the future by saying «I'll maybe optimize it later» and «a thousand more lines probably won't slow me down in the future that much, right?». Technical debt will incur interest on its own that you'll have to pay. Basically, the entire situation around Osana right now is just a huge tale about how just «interest» incurred by technical debt can control the entire project, like the tail wiggling the dog. I won't elaborate here further, since it'll take me an even larger post to fully describe what's wrong about Yandere Simulator's code architecture. Is it too late to rebuild code architecture? Sadly, YES, although it should be possible to split Student class into descendants by using hooks for individual students. However, code architecture can be improved by a vast margin if you start removing easter eggs and features like Snap Mode that currently bloat Yandere Simulator. I know it is going to be painful, but it is the only way to improve code quality here and now. This will simplify the code, and this will make it easier for you to add the «real» features, like Osana or whatever you'd like to accomplish. If you'll ever want them back, you can track them down in Git history and re-implement them one by one, hopefully without performing the shotgun surgery this time.
Loading times
Again, I won't be talking about the performance, since you can debug your game on 20 FPS as well as on 60 FPS, but this is a very different story. Yandere Simulator is huge. Once you fixed a bug, you want to test it, right? And your workflow right now probably looks like this:
Fix the code (unavoidable time loss)
Rebuild the project (can take a loooong time)
Load your game (can take a loooong time)
Test it (unavoidable time loss, unless another bug has popped up via unit testing, code analyzer etc.)
And you can fix it. For instance, I know that Yandere Simulator makes all the students' photos during loading. Why should that be done there? Why not either move it to project building stage by adding build hook so Unity does that for you during full project rebuild, or, even better, why not disable it completely or replace with «PLACEHOLDER» text for debug builds? Each second spent watching the loading screen will be rightfully interpreted as «son is not coding» by the community. Is it too late to reduce loading times? Hell NO.
Jenkins
Or any other continuous integration tool. «Rebuild a project» can take a long time too, and what can we do about that? Let me give you an idea. Buy a new PC. Get a 32-core Threadripper, 32 GB of fastest RAM you can afford and a cool motherboard which would support all of that (of course, Ryzen/i5/Celeron/i386/Raspberry Pi is fine too, but the faster, the better). The rest is not necessary, e.g. a barely functional second hand video card burned out by bitcoin mining is fine. You set up another PC in your room. You connect it to your network. You set up ramdisk to speed things up even more. You properly set up Jenkins) on this PC. From now on, Jenkins cares about the rest: tracking your Git repository, (re)building process, large and time-consuming unit tests, invoking static code analyzer, profiling, generating reports and whatever else you can and want to hook up. More importantly, you can fix another bug while Jenkins is rebuilding the project for the previous one et cetera. In general, continuous integration is a great technology to quickly track down errors that were introduced in previous versions, attempting to avoid those kinds of bug hunting sessions. I am highly unsure if continuous integration is needed for 10000-20000 source lines long projects, but things can be different as soon as we step into the 100k+ territory, and Yandere Simulator by now has approximately 150k+ source lines of code. I think that probably continuous integration might be well worth it for Yandere Simulator. Is it too late to add continuous integration?NO, albeit it is going to take some time and skills to set up.
Stop caring about the criticism
Stop comparing Alex to Scott Cawton. IMO Alex is very similar to the person known as SgtMarkIV, the developer of Brutal Doom, who is also a notorious edgelord who, for example, also once told somebody to kill himself, just like… However, being a horrible person, SgtMarkIV does his job. He simply does not care much about public opinion. That's the difference.
Go outside
Enough said. Your brain works slower if you only think about games and if you can't provide it with enough oxygen supply. I know that this one is probably the hardest to implement, but… That's all, folks. Bonus: Do you think how short this list would have been if someone just simply listened to Mike Zaimont instead of breaking down in tears?
Hello all, first thing first, I am a computer repair technician at a Bitcoin mining facility. We have about 20,000 bitcoin miners that me and my coworkers are in charge of monitoring and repairing. So with that being said I am pretty much lost when it comes to python and servers and things of that sort.Everyone that has dealt with computers/electronics know that heat is a huge issue. And heat is a killer to bitcoin miners,so monitoring the temperature and humidity in the facility is crucial so we can control the waterwalls and such as needed .I have successfully set up 14 raspberry pis with DHT22 sensors by copying and pasting scripts that I found online. They are reporting to a website through POST method. The readings are shown on a barchart,but is not dynamic so it only shows 1 reading at a time. I have been tasked with setting up a way to get all the sensors reading to a single server,then pulling the data from the server onto a D3.js grouped bar chart . Now, there is 14 Pis and each is set to read every mintue. These will be running 24/7 so there will be alot of readings. My question,actually a few questions is I am needing to set up 1 Pi as a dedicated server receiving all the readings. 1)What would be the best way to set that up,I have read that a MQTT server is the easiest but cant handle a lot of data(which I will have)I was thinking about a MySql. 2)Would I need to attach extra storage to this Pi to handle all the data. 3) How do I send all the readings to the server Pi(NOTE: they will all be on the same network) 4) How would I pull all this information from the server and input it into a D3.js grouped bar chart. Do I need to have a web server installed on the Pi?. I'm not expecting a step by step answer, and I am on a timeline and honestly dont have time to learn pythhon,html,php,sql or whatever is needed for this. All I am asking is for is a step in the right direction, thanks to all that read this and any information will be greatly appreciated
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Sep 3, 2018 - Genesis block was mined, NewEnglandcoin created
Sep 8, 2018 - github source uploaded, Window wallet development work started
Sep 11,2018 - Window Qt Graphic wallet completed
Sep 12,2018 - NewEnglandcoin Launched in both Bitcointalk forum and Marinecoin forum
Sep 14,2018 - NewEnglandcoin is listed at ShorelineCrypto Exchange
Sep 17,2018 - Block Explorer is up
Nov 23,2018 - New Source/Wallet Release v1.1.1 - Enabled Dynamic Addjustment on Mining Hashing Difficulty
Nov 28,2018 - NewEnglandcoin became CPU minable coin
Nov 30,2018 - First Retail Real Life usage for NewEnglandcoin Announced
Dec 28,2018 - Cheetah_Cpuminer under Linux is released
Dec 31,2018 - NENG Technical Whitepaper is released
Jan 2,2019 - Cheetah_Cpuminer under Windows is released
Jan 12,2019 - NENG v1.1.2 is released to support MacOS GUI CLI Wallet
Jan 13,2019 - Cheetah_CpuMiner under Mac is released
Feb 11,2019 - NewEnglandcoin v1.2.0 Released, Anti-51% Attack, Anti-instant Mining after Hard Fork
Mar 16,2019 - NewEnglandcoin v1.2.1.1 Released - Ubuntu 18.04 Wallet Binary Files
Apr 7, 2019 - NENG Report on Security, Decentralization, Valuation
Apr 21, 2019 - NENG Fiat Project is Launched by ShorelineCrypto
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Feb 24, 2020 - Scrypt RandomSpike - NENG core v1.3.0 Released
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Jul 15, 2020 - NENG v1.4.0 Released for Android Mining and Ubuntu 20.04 support
Jul 21, 2020 - NENG v1.4.0.2 Released for MacOS Wallet Upgrade with Catalina
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Roadmap
2018 Q3 - Birth of NewEnglandcoin, window/linux wallet - Done
2018 Q4 - Decentralization Phase I
Blockchain Upgrade - Dynamic hashing algorithm I - Done
Cheetah Version I- CPU Mining Automation Tool on Linux - Done
2019 Q1 - Decentralization Phase II
Cheetah Version II- CPU Mining Automation Tool on Window/Linux - Done
Blockchain Upgrade Dynamic hashing algorithm II - Done
2019 Q2 - Fiat Phase I
Assessment of Risk of 51% Attack on NENG - done
Launch of Fiat USD/NENG offering for U.S. residents - done
Initiation of Mobile Miner Project - Done
2019 Q3 - Shoreline Tradingbot, Mobile Project
Evaluation and planning of Mobile Miner Project - on Hold
Initiation of Trading Bot Project - Done
2019 Q4 - Shoreline Tradingbot
Shoreline tradingbot Release v1.0 - Done
2020 Q1 - Evaluate NENG core, Mobile Wallet Phase I
NENG core Decentralization Security Evaluation for v1.3.x - Done
Light Mobile Wallet Project Initiation, Evaluation
2020 Q2 - NENG Core, Mobile Wallet Phase II
NENG core Decentralization Security Hardfork on v1.3.x - Scrypt RandomSpike
Light Mobile Wallet Project Design, Coding
2020 Q3 - NENG core, NENG Mobile Wallet Phase II
Review on results of v1.3.x, NENG core Dev Decision on v1.4.x, Hardfork If needed
Light Mobile Wallet Project testing, alpha Release
2020 Q4 - Mobile Wallet Phase III
Light Mobile Wallet Project Beta Release
Light Mobile Wallet Server Deployment Evaluation and Decision
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It’s the smartest crypto you’ve never heard of. Ergo takes the best of Bitcoin and integrates Sigma protocols so powerful they make Ethereum look like it would lose a game of chess against your cat. If you’re tired of spin and hype over solid tech, Ergo will remind you that in crypto, it’s always been fashionable to be intelligent. Bright is the new black, people, and Ergo is set to dazzle you. DeFi is set to be the major blockchain trend for 2020. Many new smart contract platforms are positioning to become one of the handful of big players in the space. With a strong head start, competent development team and impressive network, Ethereum’s place in this billion-dollar (and growing) movement is assured. The others must offer something different – dramatically different – to differentiate themselves against this background. Ergo is a smart contracts and DeFi platform that may have what it takes to carve out a niche in this fast-moving and competitive new sector. Powerful But Safe Contracts Ethereum is an exceptional platform, but there are things it does not do well. Its Turing-complete smart contracts are powerful, but dangerous – as incidents from The DAO to the Parity wallet exploits have proven, with tens of millions of dollars in collateral damage. With complexity comes uncertainty, and potentially catastrophic vulnerabilities. Contracts can be expensive to run, and depending on network conditions may execute unpredictably – or not at all. Ergo takes a fundamentally different approach to smart contract development. The team, which has extensive experience with blockchain platforms, frameworks and organisations from Nxt and Waves to Scorex and IOHK, has adopted a declarative model for programming whereby it’s always known in advance how much code will cost to run – and, indeed, whether it will run precisely as intended. While that might on the surface limit code complexity, it’s nevertheless possible to create Turing-complete scripts by iterating processes across multiple blocks. That means Ergo can support versatile dApps that run predictably, with known costs, and don’t have any of the dangers of unrestricted functionality. Sigma protocols The platform is unashamedly conservative, basing as many features as possible on Bitcoin – after all, Bitcoin is the most battle-tested crypto network in existence. Ergo’s UTXO model, PoW mining and finite supply draw on Bitcoin’s approaches to consensus and economic incentives. But Ergo also incorporates cutting-edge research into new cryptographic processes, using Sigma protocols to enable DeFi applications that would be either complex and messy or simply impossible on other platforms. Sigma protocols are a well-known class of zero-knowledge proofs that allow developers to implement very powerful processes very elegantly. For example, what if you want to build a privacy service that allows any one of a dozen different accounts to spend funds from an address – but no one can tell who has made each transfer? Such a ‘ring contract’ is possible with Ethereum, but it would require a clunky and expensive workaround. With Ergo’s Sigma protocols, it’s possible to implement this kind of use case and many others quickly, efficiently and – above all – securely. Sigma protocols have not been deployed in such generic form within crypto before. Yet this kind of out-of-the-box functionality is hugely valuable, especially when no other DeFi platform offers it. Get involved Ergo’s team has been working on the project for over two years, attracting interest from some major players in the crypto space (including Cardano’s Charles Hoskinson) but avoiding mainstream attention until now. With the platform’s core functionality now substantially complete, the developers are seeking to expand the network, form new partnerships and make a mark in the nascent DeFi movement. Share post: Facebook Twitter Ergoplatform.org
Dear Groestlers, it goes without saying that 2020 has been a difficult time for millions of people worldwide. The groestlcoin team would like to take this opportunity to wish everyone our best to everyone coping with the direct and indirect effects of COVID-19. Let it bring out the best in us all and show that collectively, we can conquer anything. The centralised banks and our national governments are facing unprecedented times with interest rates worldwide dropping to record lows in places. Rest assured that this can only strengthen the fundamentals of all decentralised cryptocurrencies and the vision that was seeded with Satoshi's Bitcoin whitepaper over 10 years ago. Despite everything that has been thrown at us this year, the show must go on and the team will still progress and advance to continue the momentum that we have developed over the past 6 years. In addition to this, we'd like to remind you all that this is Groestlcoin's 6th Birthday release! In terms of price there have been some crazy highs and lows over the years (with highs of around $2.60 and lows of $0.000077!), but in terms of value– Groestlcoin just keeps getting more valuable! In these uncertain times, one thing remains clear – Groestlcoin will keep going and keep innovating regardless. On with what has been worked on and completed over the past few months.
UPDATED - Groestlcoin Core 2.18.2
This is a major release of Groestlcoin Core with many protocol level improvements and code optimizations, featuring the technical equivalent of Bitcoin v0.18.2 but with Groestlcoin-specific patches. On a general level, most of what is new is a new 'Groestlcoin-wallet' tool which is now distributed alongside Groestlcoin Core's other executables. NOTE: The 'Account' API has been removed from this version which was typically used in some tip bots. Please ensure you check the release notes from 2.17.2 for details on replacing this functionality.
Builds are now done through Gitian
Calls to getblocktemplate will fail if the segwit rule is not specified. Calling getblocktemplate without segwit specified is almost certainly a misconfiguration since doing so results in lower rewards for the miner. Failed calls will produce an error message describing how to enable the segwit rule.
A warning is printed if an unrecognized section name is used in the configuration file. Recognized sections are [test], [main], and [regtest].
Four new options are available for configuring the maximum number of messages that ZMQ will queue in memory (the "high water mark") before dropping additional messages. The default value is 1,000, the same as was used for previous releases.
The rpcallowip option can no longer be used to automatically listen on all network interfaces. Instead, the rpcbind parameter must be used to specify the IP addresses to listen on. Listening for RPC commands over a public network connection is insecure and should be disabled, so a warning is now printed if a user selects such a configuration. If you need to expose RPC in order to use a tool like Docker, ensure you only bind RPC to your localhost, e.g. docker run [...] -p 127.0.0.1:1441:1441 (this is an extra :1441 over the normal Docker port specification).
The rpcpassword option now causes a startup error if the password set in the configuration file contains a hash character (#), as it's ambiguous whether the hash character is meant for the password or as a comment.
The whitelistforcerelay option is used to relay transactions from whitelisted peers even when not accepted to the mempool. This option now defaults to being off, so that changes in policy and disconnect/ban behavior will not cause a node that is whitelisting another to be dropped by peers.
A new short about the JSON-RPC interface describes cases where the results of anRPC might contain inconsistencies between data sourced from differentsubsystems, such as wallet state and mempool state.
A new document introduces Groestlcoin Core's BIP174 interface, which is used to allow multiple programs to collaboratively work to create, sign, and broadcast new transactions. This is useful for offline (cold storage) wallets, multisig wallets, coinjoin implementations, and many other cases where two or more programs need to interact to generate a complete transaction.
The output script descriptor (https://github.com/groestlcoin/groestlcoin/blob/mastedoc/descriptors.md) documentation has been updated with information about new features in this still-developing language for describing the output scripts that a wallet or other program wants to receive notifications for, such as which addresses it wants to know received payments. The language is currently used in multiple new and updated RPCs described in these release notes and is expected to be adapted to other RPCs and to the underlying wallet structure.
A new --disable-bip70 option may be passed to ./configure to prevent Groestlcoin-Qt from being built with support for the BIP70 payment protocol or from linking libssl. As the payment protocol has exposed Groestlcoin Core to libssl vulnerabilities in the past, builders who don't need BIP70 support are encouraged to use this option to reduce their exposure to future vulnerabilities.
The minimum required version of Qt (when building the GUI) has been increased from 5.2 to 5.5.1 (the depends system provides 5.9.7)
getnodeaddresses returns peer addresses known to this node. It may be used to find nodes to connect to without using a DNS seeder.
listwalletdir returns a list of wallets in the wallet directory (either the default wallet directory or the directory configured bythe -walletdir parameter).
getrpcinfo returns runtime details of the RPC server. Currently, it returns an array of the currently active commands and how long they've been running.
deriveaddresses returns one or more addresses corresponding to an output descriptor.
getdescriptorinfo accepts a descriptor and returns information aboutit, including its computed checksum.
joinpsbts merges multiple distinct PSBTs into a single PSBT. The multiple PSBTs must have different inputs. The resulting PSBT will contain every input and output from all the PSBTs. Any signatures provided in any of the PSBTs will be dropped.
analyzepsbt examines a PSBT and provides information about what the PSBT contains and the next steps that need to be taken in order to complete the transaction. For each input of a PSBT, analyze psbt provides information about what information is missing for that input, including whether a UTXO needs to be provided, what pubkeys still need to be provided, which scripts need to be provided, and what signatures are still needed. Every input will also list which role is needed to complete that input, and analyzepsbt will also list the next role in general needed to complete the PSBT. analyzepsbt will also provide the estimated fee rate and estimated virtual size of the completed transaction if it has enough information to do so.
utxoupdatepsbt searches the set of Unspent Transaction Outputs (UTXOs) to find the outputs being spent by the partial transaction. PSBTs need to have the UTXOs being spent to be provided because the signing algorithm requires information from the UTXO being spent. For segwit inputs, only the UTXO itself is necessary. For non-segwit outputs, the entire previous transaction is needed so that signers can be sure that they are signing the correct thing. Unfortunately, because the UTXO set only contains UTXOs and not full transactions, utxoupdatepsbt will only add the UTXO for segwit inputs.
getpeerinfo now returns an additional minfeefilter field set to the peer's BIP133 fee filter. You can use this to detect that you have peers that are willing to accept transactions below the default minimum relay fee.
The mempool RPCs, such as getrawmempool with verbose=true, now return an additional "bip125-replaceable" value indicating whether thetransaction (or its unconfirmed ancestors) opts-in to asking nodes and miners to replace it with a higher-feerate transaction spending any of the same inputs.
settxfee previously silently ignored attempts to set the fee below the allowed minimums. It now prints a warning. The special value of"0" may still be used to request the minimum value.
getaddressinfo now provides an ischange field indicating whether the wallet used the address in a change output.
importmulti has been updated to support P2WSH, P2WPKH, P2SH-P2WPKH, and P2SH-P2WSH. Requests for P2WSH and P2SH-P2WSH accept an additional witnessscript parameter.
importmulti now returns an additional warnings field for each request with an array of strings explaining when fields are being ignored or are inconsistent, if there are any.
getaddressinfo now returns an additional solvable Boolean field when Groestlcoin Core knows enough about the address's scriptPubKey, optional redeemScript, and optional witnessScript for the wallet to be able to generate an unsigned input spending funds sent to that address.
The getaddressinfo, listunspent, and scantxoutset RPCs now return an additional desc field that contains an output descriptor containing all key paths and signing information for the address (except for the private key). The desc field is only returned for getaddressinfo and listunspent when the address is solvable.
importprivkey will preserve previously-set labels for addresses or public keys corresponding to the private key being imported. For example, if you imported a watch-only address with the label "coldwallet" in earlier releases of Groestlcoin Core, subsequently importing the private key would default to resetting the address's label to the default empty-string label (""). In this release, the previous label of "cold wallet" will be retained. If you optionally specify any label besides the default when calling importprivkey, the new label will be applied to the address.
getmininginfo now omits currentblockweight and currentblocktx when a block was never assembled via RPC on this node.
The getrawtransaction RPC & REST endpoints no longer check the unspent UTXO set for a transaction. The remaining behaviors are as follows:
If a blockhash is provided, check the corresponding block.
If no blockhash is provided, check the mempool.
If no blockhash is provided but txindex is enabled, also check txindex.
unloadwallet is now synchronous, meaning it will not return until the wallet is fully unloaded.
importmulti now supports importing of addresses from descriptors. A desc parameter can be provided instead of the "scriptPubKey" in are quest, as well as an optional range for ranged descriptors to specify the start and end of the range to import. Descriptors with key origin information imported through importmulti will have their key origin information stored in the wallet for use with creating PSBTs.
listunspent has been modified so that it also returns witnessScript, the witness script in the case of a P2WSH orP2SH-P2WSH output.
createwallet now has an optional blank argument that can be used to create a blank wallet. Blank wallets do not have any keys or HDseed. They cannot be opened in software older than 2.18.2. Once a blank wallet has a HD seed set (by using sethdseed) or private keys, scripts, addresses, and other watch only things have been imported, the wallet is no longer blank and can be opened in 2.17.2. Encrypting a blank wallet will also set a HD seed for it.
signrawtransaction is removed after being deprecated and hidden behind a special configuration option in version 2.17.2.
The 'account' API is removed after being deprecated in v2.17.2 The 'label' API was introduced in v2.17.2 as a replacement for accounts. See the release notes from v2.17.2 for a full description of the changes from the 'account' API to the 'label' API.
addwitnessaddress is removed after being deprecated in version 2.16.0.
generate is deprecated and will be fully removed in a subsequent major version. This RPC is only used for testing, but its implementation reached across multiple subsystems (wallet and mining), so it is being deprecated to simplify the wallet-node interface. Projects that are using generate for testing purposes should transition to using the generatetoaddress RPC, which does not require or use the wallet component. Calling generatetoaddress with an address returned by the getnewaddress RPC gives the same functionality as the old generate RPC. To continue using generate in this version, restart groestlcoind with the -deprecatedrpc=generate configuration option.
Be reminded that parts of the validateaddress command have been deprecated and moved to getaddressinfo. The following deprecated fields have moved to getaddressinfo: ismine, iswatchonly,script, hex, pubkeys, sigsrequired, pubkey, embedded,iscompressed, label, timestamp, hdkeypath, hdmasterkeyid.
The addresses field has been removed from the validateaddressand getaddressinfo RPC methods. This field was confusing since it referred to public keys using their P2PKH address. Clients should use the embedded.address field for P2SH or P2WSH wrapped addresses, and pubkeys for inspecting multisig participants.
A new /rest/blockhashbyheight/ endpoint is added for fetching the hash of the block in the current best blockchain based on its height (how many blocks it is after the Genesis Block).
A new Window menu is added alongside the existing File, Settings, and Help menus. Several items from the other menus that opened new windows have been moved to this new Window menu.
In the Send tab, the checkbox for "pay only the required fee" has been removed. Instead, the user can simply decrease the value in the Custom Fee rate field all the way down to the node's configured minimumrelay fee.
In the Overview tab, the watch-only balance will be the only balance shown if the wallet was created using the createwallet RPC and thedisable_private_keys parameter was set to true.
The launch-on-startup option is no longer available on macOS if compiled with macosx min version greater than 10.11 (useCXXFLAGS="-mmacosx-version-min=10.11" CFLAGS="-mmacosx-version-min=10.11" for setting the deployment sdkversion)
A new groestlcoin-wallet tool is now distributed alongside Groestlcoin Core's other executables. Without needing to use any RPCs, this tool can currently create a new wallet file or display some basic information about an existing wallet, such as whether the wallet is encrypted, whether it uses an HD seed, how many transactions it contains, and how many address book entries it has.
Since version 2.16.0, Groestlcoin Core's built-in wallet has defaulted to generating P2SH-wrapped segwit addresses when users want to receive payments. These addresses are backwards compatible with all widely used software. Starting with Groestlcoin Core 2.20.1 (expected about a year after 2.18.2), Groestlcoin Core will default to native segwitaddresses (bech32) that provide additional fee savings and other benefits. Currently, many wallets and services already support sending to bech32 addresses, and if the Groestlcoin Core project sees enough additional adoption, it will instead default to bech32 receiving addresses in Groestlcoin Core 2.19.1. P2SH-wrapped segwit addresses will continue to be provided if the user requests them in the GUI or by RPC, and anyone who doesn't want the update will be able to configure their default address type. (Similarly, pioneering users who want to change their default now may set the addresstype=bech32 configuration option in any Groestlcoin Core release from 2.16.0 up.)
BIP 61 reject messages are now deprecated. Reject messages have no use case on the P2P network and are only logged for debugging by most network nodes. Furthermore, they increase bandwidth and can be harmful for privacy and security. It has been possible to disable BIP 61 messages since v2.17.2 with the -enablebip61=0 option. BIP 61 messages will be disabled by default in a future version, before being removed entirely.
The submitblock RPC previously returned the reason a rejected block was invalid the first time it processed that block but returned a generic "duplicate" rejection message on subsequent occasions it processed the same block. It now always returns the fundamental reason for rejecting an invalid block and only returns "duplicate" for valid blocks it has already accepted.
A new submitheader RPC allows submitting block headers independently from their block. This is likely only useful for testing.
The signrawtransactionwithkey and signrawtransactionwithwallet RPCs have been modified so that they also optionally accept a witnessScript, the witness script in the case of a P2WSH orP2SH-P2WSH output. This is compatible with the change to listunspent.
For the walletprocesspsbt and walletcreatefundedpsbt RPCs, if thebip32derivs parameter is set to true but the key metadata for a public key has not been updated yet, then that key will have a derivation path as if it were just an independent key (i.e. no derivation path and its master fingerprint is itself).
The -usehd configuration option was removed in version 2.16.0 From that version onwards, all new wallets created are hierarchical deterministic wallets. This release makes specifying -usehd an invalid configuration option.
This release allows peers that your node automatically disconnected for misbehaviour (e.g. sending invalid data) to reconnect to your node if you have unused incoming connection slots. If your slots fill up, a misbehaving node will be disconnected to make room for nodes without a history of problems (unless the misbehaving node helps your node in some other way, such as by connecting to a part of the Internet from which you don't have many other peers). Previously, Groestlcoin Core banned the IP addresses of misbehaving peers for a period (default of 1 day); this was easily circumvented by attackers with multiple IP addresses. If you manually ban a peer, such as by using the setban RPC, all connections from that peer will still be rejected.
The key metadata will need to be upgraded the first time that the HDseed is available. For unencrypted wallets this will occur on wallet loading. For encrypted wallets this will occur the first time the wallet is unlocked.
Newly encrypted wallets will no longer require restarting the software. Instead such wallets will be completely unloaded and reloaded to achieve the same effect.
A sub-project of Bitcoin Core now provides Hardware Wallet Interaction (HWI) scripts that allow command-line users to use several popular hardware key management devices with Groestlcoin Core. See their project page for details.
This release changes the Random Number Generator (RNG) used from OpenSSL to Groestlcoin Core's own implementation, although entropy gathered by Groestlcoin Core is fed out to OpenSSL and then read back in when the program needs strong randomness. This moves Groestlcoin Core a little closer to no longer needing to depend on OpenSSL, a dependency that has caused security issues in the past. The new implementation gathers entropy from multiple sources, including from hardware supporting the rdseed CPU instruction.
On macOS, Groestlcoin Core now opts out of application CPU throttling ("app nap") during initial blockchain download, when catching up from over 100 blocks behind the current chain tip, or when reindexing chain data. This helps prevent these operations from taking an excessively long time because the operating system is attempting to conserve power.
How to Upgrade?
Windows If you are running an older version, shut it down. Wait until it has completely shut down (which might take a few minutes for older versions), then run the installer. OSX If you are running an older version, shut it down. Wait until it has completely shut down (which might take a few minutes for older versions), run the dmg and drag Groestlcoin Core to Applications. Ubuntu http://groestlcoin.org/forum/index.php?topic=441.0
ALL NEW - Groestlcoin Moonshine iOS/Android Wallet
Built with React Native, Moonshine utilizes Electrum-GRS's JSON-RPC methods to interact with the Groestlcoin network. GRS Moonshine's intended use is as a hot wallet. Meaning, your keys are only as safe as the device you install this wallet on. As with any hot wallet, please ensure that you keep only a small, responsible amount of Groestlcoin on it at any given time.
Features
Groestlcoin Mainnet & Testnet supported
Bech32 support
Multiple wallet support
Electrum - Support for both random and custom peers
Encrypted storage
Biometric + Pin authentication
Custom fee selection
Import mnemonic phrases via manual entry or scanning
RBF functionality
BIP39 Passphrase functionality
Support for Segwit-compatible & legacy addresses in settings
Support individual private key sweeping
UTXO blacklisting - Accessible via the Transaction Detail view, this allows users to blacklist any utxo that they do not wish to include in their list of available utxo's when sending transactions. Blacklisting a utxo excludes its amount from the wallet's total balance.
Ability to Sign & Verify Messages
Support BitID for password-free authentication
Coin Control - This can be accessed from the Send Transaction view and basically allows users to select from a list of available UTXO's to include in their transaction.
HODL GRS connects directly to the Groestlcoin network using SPV mode and doesn't rely on servers that can be hacked or disabled. HODL GRS utilizes AES hardware encryption, app sandboxing, and the latest security features to protect users from malware, browser security holes, and even physical theft. Private keys are stored only in the secure enclave of the user's phone, inaccessible to anyone other than the user. Simplicity and ease-of-use is the core design principle of HODL GRS. A simple recovery phrase (which we call a Backup Recovery Key) is all that is needed to restore the user's wallet if they ever lose or replace their device. HODL GRS is deterministic, which means the user's balance and transaction history can be recovered just from the backup recovery key.
Features
Simplified payment verification for fast mobile performance
Groestlcoin Seed Savior is a tool for recovering BIP39 seed phrases. This tool is meant to help users with recovering a slightly incorrect Groestlcoin mnemonic phrase (AKA backup or seed). You can enter an existing BIP39 mnemonic and get derived addresses in various formats. To find out if one of the suggested addresses is the right one, you can click on the suggested address to check the address' transaction history on a block explorer.
Features
If a word is wrong, the tool will try to suggest the closest option.
If a word is missing or unknown, please type "?" instead and the tool will find all relevant options.
NOTE: NVidia GPU or any CPU only. AMD graphics cards will not work with this address generator. VanitySearch is a command-line Segwit-capable vanity Groestlcoin address generator. Add unique flair when you tell people to send Groestlcoin. Alternatively, VanitySearch can be used to generate random addresses offline. If you're tired of the random, cryptic addresses generated by regular groestlcoin clients, then VanitySearch is the right choice for you to create a more personalized address. VanitySearch is a groestlcoin address prefix finder. If you want to generate safe private keys, use the -s option to enter your passphrase which will be used for generating a base key as for BIP38 standard (VanitySearch.exe -s "My PassPhrase" FXPref). You can also use VanitySearch.exe -ps "My PassPhrase" which will add a crypto secure seed to your passphrase. VanitySearch may not compute a good grid size for your GPU, so try different values using -g option in order to get the best performances. If you want to use GPUs and CPUs together, you may have best performances by keeping one CPU core for handling GPU(s)/CPU exchanges (use -t option to set the number of CPU threads).
Features
Fixed size arithmetic
Fast Modular Inversion (Delayed Right Shift 62 bits)
SecpK1 Fast modular multiplication (2 steps folding 512bits to 256bits using 64 bits digits)
Use some properties of elliptic curve to generate more keys
SSE Secure Hash Algorithm SHA256 and RIPEMD160 (CPU)
Groestlcoin EasyVanity 2020 is a windows app built from the ground-up and makes it easier than ever before to create your very own bespoke bech32 address(es) when whilst not connected to the internet. If you're tired of the random, cryptic bech32 addresses generated by regular Groestlcoin clients, then Groestlcoin EasyVanity2020 is the right choice for you to create a more personalised bech32 address. This 2020 version uses the new VanitySearch to generate not only legacy addresses (F prefix) but also Bech32 addresses (grs1 prefix).
Features
Ability to continue finding keys after first one is found
Includes warning on start-up if connected to the internet
Ability to output keys to a text file (And shows button to open that directory)
Show and hide the private key with a simple toggle switch
Show full output of commands
Ability to choose between Processor (CPU) and Graphics Card (GPU) ( NVidia ONLY! )
Features both a Light and Dark Material Design-Style Themes
Free software - MIT. Anyone can audit the code.
Written in C# - The code is short, and easy to review.
Groestlcoin WPF is an alternative full node client with optional lightweight 'thin-client' mode based on WPF. Windows Presentation Foundation (WPF) is one of Microsoft's latest approaches to a GUI framework, used with the .NET framework. Its main advantages over the original Groestlcoin client include support for exporting blockchain.dat and including a lite wallet mode. This wallet was previously deprecated but has been brought back to life with modern standards.
Features
Works via TOR or SOCKS5 proxy
Can use bootstrap.dat format as blockchain database
Import/Export blockchain to/from bootstrap.dat
Import wallet.dat from Groestlcoin-qt wallet
Export wallet to wallet.dat
Use both groestlcoin-wpf and groestlcoin-qt with the same addresses in parallel. When you send money from one program, the transaction will automatically be visible on the other wallet.
Rescan blockchain with a simple mouse click
Works as a full node and listens to port 1331 (listening port can be changed)
Fast Block verifying, parallel processing on multi-core CPUs
Mine Groestlcoins with your CPU by a simple mouse click
All private keys are kept encrypted on your local machine (or on a USB stick)
Lite - Has a lightweight "thin client" mode which does not require a new user to download the entire Groestlcoin chain and store it
Free and decentralised - Open Source under GNU license
Remastered Improvements
Bech32 support
P2sh support
Fixed Import/Export to wallet.dat
Testnet Support
Rescan wallet option
Change wallet password option
Address type and Change type options through *.conf file
Import from bootstrap.dat - It is a flat, binary file containing Groestlcoin blockchain data, from the genesis block through a recent height. All versions automatically validate and import the file "grs.bootstrap.dat" in the GRS directory. Grs.bootstrap.dat is compatible with Qt wallet. GroestlCoin-Qt can load from it.
In Full mode file %APPDATA%\Groestlcoin-WPF\GRS\GRS.bootstrap.dat is full blockchain in standard bootstrap.dat format and can be used with other clients.
Groestlcoin BIP39 Key Tool is a GUI interface for generating Groestlcoin public and private keys. It is a standalone tool which can be used offline.
Features
Selection options for 3-24 words (simply putting the space separated words in the first word box will also work) along with a bip39 passphrase
User input for total number of addresses desired
Creation of P2PKH, P2SH, P2WPKH and P2WSH addresses along with xpriv and xpub as per BIP32 spec, using a word list as the starting point following the BIP39 standard.
Pre-sets for BIP44, BIP49, BIP84 and BIP141 standards, along with custom user input for derivation path
Option for Hardened or non-hardened addresses
Option for Testnet private and public keys
Output containing derivation path, private key in WIF, integer and hex format, public key address, public point on curve and scriptpubkey
Results are output in a file titled 'wallet.txt' with the time addresses were generated, along with all information presented onscreen
Groestlcoin Electrum Personal Server aims to make using Electrum Groestlcoin wallet more secure and more private. It makes it easy to connect your Electrum-GRS wallet to your own full node. It is an implementation of the Electrum-grs server protocol which fulfils the specific need of using the Electrum-grs wallet backed by a full node, but without the heavyweight server backend, for a single user. It allows the user to benefit from all Groestlcoin Core's resource-saving features like pruning, blocks only and disabled txindex. All Electrum-GRS's feature-richness like hardware wallet integration, multi-signature wallets, offline signing, seed recovery phrases, coin control and so on can still be used, but connected only to the user's own full node. Full node wallets are important in Groestlcoin because they are a big part of what makes the system be trust-less. No longer do people have to trust a financial institution like a bank or PayPal, they can run software on their own computers. If Groestlcoin is digital gold, then a full node wallet is your own personal goldsmith who checks for you that received payments are genuine. Full node wallets are also important for privacy. Using Electrum-GRS under default configuration requires it to send (hashes of) all your Groestlcoin addresses to some server. That server can then easily spy on your transactions. Full node wallets like Groestlcoin Electrum Personal Server would download the entire blockchain and scan it for the user's own addresses, and therefore don't reveal to anyone else which Groestlcoin addresses they are interested in. Groestlcoin Electrum Personal Server can also broadcast transactions through Tor which improves privacy by resisting traffic analysis for broadcasted transactions which can link the IP address of the user to the transaction. If enabled this would happen transparently whenever the user simply clicks "Send" on a transaction in Electrum-grs wallet. Note: Currently Groestlcoin Electrum Personal Server can only accept one connection at a time.
Features
Use your own node
Tor support
Uses less CPU and RAM than ElectrumX
Used intermittently rather than needing to be always-on
Doesn't require an index of every Groestlcoin address ever used like on ElectrumX
UPDATED – Android Wallet 7.38.1 - Main Net + Test Net
The app allows you to send and receive Groestlcoin on your device using QR codes and URI links. When using this app, please back up your wallet and email them to yourself! This will save your wallet in a password protected file. Then your coins can be retrieved even if you lose your phone.
Changes
Add confidence messages, helping users to understand the confidence state of their payments.
Handle edge case when restoring via an external app.
Count devices with a memory class of 128 MB as low ram.
Introduce dark mode on Android 10 devices.
Reduce memory usage of PIN-protected wallets.
Tapping on the app's version will reveal a checksum of the APK that was installed.
Fix issue with confirmation of transactions that empty your wallet.
Groestlcoin Sentinel is a great solution for anyone who wants the convenience and utility of a hot wallet for receiving payments directly into their cold storage (or hardware wallets). Sentinel accepts XPUB's, YPUB'S, ZPUB's and individual Groestlcoin address. Once added you will be able to view balances, view transactions, and (in the case of XPUB's, YPUB's and ZPUB's) deterministically generate addresses for that wallet. Groestlcoin Sentinel is a fork of Groestlcoin Samourai Wallet with all spending and transaction building code removed.
https://preview.redd.it/myag8bgerrt41.jpg?width=2226&format=pjpg&auto=webp&s=f2770899309d92ca6acab5b1c5fdcc76f69778a2 INTRODUCTION In the world today, there are many upcoming blockchain projects with great potentials, each aiming to bring a change to what we know and see in different systems be it in the healthcare industry, financial industry and so on. It is worthy to know that blockchain technology has contributed a lot to the development of many projects owing to its features such as decentralization, tokenization, use of smart contracts etc. Also, in addition to being based on blockchain, many platforms have different consensus algorithms which are believed by the team to help them in achieving their aim. With this being said, there is a blockchain platform known as LEASEHOLD, which aims to bring a change in the property industry. https://preview.redd.it/a55t1e0drrt41.jpg?width=2048&format=pjpg&auto=webp&s=4ba13f6477ad66c90a2855688e63d60ddb30531d A REVIEW ON LEASEHOLD PLATFORM A review helps many potential investors have a feel or glance of what a particular project or platform is all about, before proceeding to read further via the project's whitepaper etc.
The first and foremost thing to know about Leasehold platform is that it is decentralized that is to say, it is based on blockchain. Leasehold is also a profit-sharing business or platform with the sole purpose of sharing rental income via tokenization brought about by blockchain. In the same way, it is good to know that, the Leasehold platform aims to be a valuable one and to achieve this, sees it fit to ensure their token holders are always comfortable hence the idea of rewards being in the form of buy-back and burn; with this strategy, the Leasehold platform take the acquired profits, buys back its tokens from the market and burn them. In other ways, Leasehold token is a Deflationary token which will continue to be bought and burnt as the platform ensures strict growth policies are followed.
Like earlier stated, there are many blockchain projects with different consensus algorithms such as Proof-of-Stake, Proof-of-Work etc, in the case of Leasehold, it will be based on Delegated Proof-of-Stake (DPOS). This DPOS is of the idea that delegates within the platform can create blocks, these delegates are trusted and as such selected to be active within the platform in addition to the fact they secure the chain while getting their rewards which is strictly based on a good performance.
In the blockchain space today, there is a known issue with most platforms and that is the issue of slow transactions etc, thus to stand out from this, the Leasehold team ensured the platform is written in JavaScript, through this way, allowing for fast processing of all functions and services such as transactions, payments and accounting. Also, to ensure efficient services, the Leasehold platform was forked from Lisk, the aim of this is to run as the first Lisk Side-chain through this way having its own Decentralized Exchange (DEX) thereafter.
Talking about a decentralized exchange, it offers more security because, in the crypto space, there are many exchanges that have been hacked, exit scam with funds as well as closing accounts without reason. Therefore, Leasehold will sure have its own because the team wants to offer a secure, safe, trustworthy and reliable platform for trading of LSH tokens. When trading in Leasehold platform's DEX, there will be no malicious acts but instead a good level of trust and transparency.
Another point as to why Leasehold is worthwhile is the fact that it makes it possible for users to partake in profit-sharing without owning properties physically, nor is there a need to identify themselves. In view of this, Leasehold is working towards taking huge advantages of the tourist industry, everyday living industry etc since it has been proven that booking platforms grow with more than double the users from the previous years. With this move, as a user, there is an opportunity to profit by owning the property, while with Leasehold, everything is simplified leading to owning a portion of profits.
Another wonderful attribute of Leasehold platform is that token holders are carried along in the development of the platform, in this case, they are always presented with updated happenings which includes buy-back details, acquisition of properties etc.
Since security is paramount in Leasehold platform, the team created a hub, which will make it possible for token holders to securely store their tokens in their wallet. This wallet is connected directly to the Leasehold network.
There are many projects already in the crypto space which supports mining and same is the case with Leasehold. Leasehold will have a real-time data pool bearing all the financials of the platform's earnings. It will also display a list of the current buy-back funds which will be used for buy-back and burn purposes.
Currently, many people in the world are limited when it comes to using of cryptocurrencies and this is where tokenization comes to play; that is, with tokenization, many people in the world will be free and able to buy crypto easily. With this in mind, in the Leasehold platform is tokenization as well, with tokenization of LSH tokens, people from all over the world will be able to take part in profit-sharing from the Leasehold short term rental markets. This is profitable because a study has shown that, short term rental markets are now booming all over the world because there is no need putting up large amounts of capital at once, which many individuals do not have or have access to.
There are two methods of property rental in Leasehold platform which is developed to accommodate different types of users; a. Property rental of non-owned apartments: This is a method where the Leasehold team will accept the responsibility of running apartments for homeowners which will be at an agreed amount. In this case, the team will use their marketing strategies and booking system methods to ensure the best of services is offered to homeowners while on the other hand, this will also help Leasehold to acquire constant funding for its buybacks. b. Property rental of owned properties: In this method, the Leasehold team will strive to achieve the maximum amount of returns since all profits will belong to the company at the same time distributed to the buybacks. Furthermore, from the profits made, Leasehold will continue buying property on the open market while renting it out using its specially designed cross-platform method.
Just like there are blockchain platforms which sought for funding before continuing building their platform, same is with Leasehold. The team will carry out 5 stages of ITO’s with the aim of raising enough funding so as to acquire small apartments thus starting the renting process and partner site setups. According to the team, the reason for these stages of ITO is that each stage will allow the Leasehold platform to acquire and set up the working business model that will make the buy-back and burn process possible. The end result of this is, Leasehold will be in a position to be free from cryptocurrencies volatility as well as being far bear markets. Leasehold Initial Token Offering (ITO) has started already and stipulated to end by May 2020. Read more on (ITO).(It is wise to make your own research before investing or participating in any token sale.)
https://preview.redd.it/unoy270grrt41.jpg?width=2636&format=pjpg&auto=webp&s=39cd8c18290eadfe97d4588b3b06af816a2f372a WHY LEASEHOLD IS WORTHY OF ATTENTION a. The Leasehold team aims for success thus setting strict growth policies which will make it possible for the platform to always acquire more and more property in its life cycle. b. By allowing ownership of profits to take place in the property rental industry, Leasehold succeeds in bringing liquidity. To make it more interesting, people can buy and sell the rights to profits without having to pay the unnecessary charges of Deed registration and property acquisition. c. In the world today, the cryptocurrencies are gaining more attention which is seen in Airbnb now accepting Bitcoin, with this in mind, the Leasehold team believes that more platforms are likely to follow hence creating its very own booking system within the ecosystem that will allow users to book holidays with LSH token. d. Leasehold platform is all about success and growth and with this in mind, the team has already 4 signed contracts for 4 separate apartments which started this month (April 15th). Not only that, but the team is also on the verge of signing more as time goes by. e. Leasehold has many partners including; i. Booking.com. ii. Airbnb. iii. NightsBridge. iv. HouseME. v. HomeAway. vi. Bookme. vii. Airdna. Read more on partners. f. For security sakes, and in order to stand out as well, Leasehold created its own wallet which is available and active on different operating systems such as Windows, Mac etc. Steps; i. Download your desired Leasehold Wallet application from the link. ii. Install. iii. Use the option "Create an account" to create an account. Most importantly, remember to save the passphrase, which will enable you as the owner to be able to access the wallet in the future. iv. Login to have a feel of what the wallet looks like. g. Leasehold token has the ticker LSH, it was forked from Lisk as well as being the first "Lisk Side-chain off Lisk" with a total supply of 100,000,000. Owing to what Leasehold token is backed by, the tokens will be appropriate for trading, holding and booking apartments in the near future. In the same way, to be transparent as regards its buybacks, the necessary information will be available to the public in the form of e-mail and website updates, through this way, users will be able to keep track of the entire platform's Income. h. Hardly can anyone invest in what he won't profit from; in the case of Leasehold, the team will use the funds generated for property acquisition this means that there will be a strong profitable business built by the team. With this move by the Leasehold team, token holders will grow together with the platform while profiting as well. https://preview.redd.it/7fkcmlzgrrt41.jpg?width=1080&format=pjpg&auto=webp&s=c87f07488dc657828ec7da823a4e47b97244e512 TO KNOW MORE ABOUT LEASEHOLD Join the Telegram Group: https://t.me/Leaseholdchat Follow on Facebook: https://m.facebook.com/Leasehold-101658667937642/ Follow on Twitter: https://twitter.com/LeaseholdHQ Website: https://leasehold.io/ Whitepaper: https://leasehold.io/roadmap/?q=whitepaper Discord: https://discordapp.com/channels/634347439641591819/641699094959489065 GitHub: https://github.com/Leasehold Wallet: https://leasehold.io/wallet Explorer: https://explorer.leasehold.io/ Timeline: https://leasehold.io/timeline/ About the team: https://leasehold.io/team/ https://preview.redd.it/j797anhirrt41.png?width=1212&format=png&auto=webp&s=e14925fc39fb3e9fdc371ab896c106d7785f32da Writer’s Bitcointalk Username: Emmy92 Writer’s Bitcointalk Profile Link: https://bitcointalk.org/index.php?action=profile;u=1329140
AMA Recap of CEO and Co-founder of Chromia, Henrik Hjelte in the @binancenigeria Telegram group on 03/05/2020.
Moh (Binance Angel)🇳🇬, Please join me to welcome, “CHROMIA CEO & Co-founder, Henrik Hjelte” and “ CMO, Serge lubkin” Oh, before we proceed, kindly introduce yourselves and tell us a bit about your roles at Chromiau/sergelubkin&u/henrik_hjelte. Henrik Hjelte, Ok, I’m Henrik, I’m CEO of ChromaWay that crated the Chromia project. My background is a bit mixed: developer for 30+ years (since 80: s), but I studied other things at university (economics, politics, social sciences philosophy). Life is more than computer you know… I worked with FInance/IT then started a web startup and got to know Alex Mizrahi who worked as a developer…. Web startup didn’t fly, but Alex showed me bitcoin. When I finally read the whitepaper I was blown away, and joined Alex colored-coins project, the first open source protocol to issue tokens. in 2013. So, we started with open-source tokens (that kickstarted the blockchain industry. Then started company together 2014. That is a long intro, I’ll shut up now… Thanks…. Serge, I’m Serge, I’m assisting Henrik today and I work with Chromia marketing team as well as on some business development projects Moh (Binance Angel)🇳🇬, , Question No 1 : Kindly describe the CHROMIA project and what it aims to achieve? Henrik Hjelte, Chromia is a new public blockchain based on the idea of integrating traditional databases, Relational databases with blockchain security. Chromia is a general purpose blockchain with full smart contract capabilities, just that it is a lot easier to code, even complex applications. You code with an easy to learn new programming language that combines the power of SQL and normal languages but makes it secure in a blockchain context. Up to 1/10 the code-lines vs other blockchains. There is a blog post about it, I’ll share later. On lines of code. The aim of Chromia is to combine relational databases, which exist in every kind of organization, together using blockchains. We want to provide a platform for our users to develop totally decentralized apps securely. Our goal is for Chromia to be seen as the number one infrastructure for decentralized applications. https://blog.chromia.com/reasons-for-rell-compactness/ Moh (Binance Angel)🇳🇬,Question No 2: What inspired the CHROMIA Core team to pick interest in CHROMIA project? what breakthrough have you achieved so far? what are the present challenges you’re facing and how are you planning to overcome them? Henrik Hjelte, We started with public blockchains, tokens in 2012, the world’s first stable coin with a bank 2015 (LHV). When coding that solution, peer to peer payments of Euro-tokens, we discovered we need performance reasons to store all data in a database. We needed to quickly know the “balance” of a user, and can’t loop through a blockchain. And slowly the idea grew that we can make the database INTO a blockchain, integrate completely with the transaction mechanism of a database. So, we did it as a private blockchain first (Postchain), used it for some projects, then came up with the idea to make a Public Blockchain based on it. The motivation is that we felt we needed a better programming model for blockchains. Our CTO Alex has always been thinking of optimal solutions for blockchain technology and has lots of experiences thinking about it. Also: make real-world useful things. For example, we support free-to-play models since users do not need to own “our” token to USE apps, the application itself (often the developer) pays for hosting. And of course, great performance. Also: more knowledge of who runs nodes and risk level. So, it is more suitable for enterprises. In Chromia the application (at the start the developer) decides Who should be allowed to run its own blockchain (every dapp has its own blockchain). You can also say on a higher level that we want to provide technology to create “Public applications”, a tool that enables us to create a fairer world. https://blog.chromia.com/towards-publicly-hosted-applications/ Moh (Binance Angel)🇳🇬, Question No 3 : Why did you create your own blockchain instead of leveraging on existing and proven base layer protocol? Henrik Hjelte, None of the existing protocols are suitable to support large-scale, mainstream applications. We designed Chromia to give our users exactly what they want; fast support, useful features, with an affordable service cost. Other platforms do not have the ability to host data applications in a decentralized and secure way, as Chromia can. Chromia also has its own bespoke programming language that sets it apart from SQL-based platforms. It’s so easy to use, even non-developers can understand it! The other big difference with Chromia concerns payments. Chromia gives its users freedom from having to pay for each transaction. With Chromia, you have the flexibility to decide how to set fees for your dapp And when it comes to “proven base layer protocols”: they are just a few years at max. Chromia is built on top of Postgresql, that has been used in enterprises for decades, a really proven technology. And the Java virtual machine on top of that. This is proven tech, at core. Moh (Binance Angel)🇳🇬, Question No 4 : What is Postchain? Henrik Hjelte, Postchain is an open-source product of ChromaWay for enterprise clients and it’s the core technology on which Chromia is built. Postchain is a replicated blockchain and database that offers highly resilient distributed database management with distributed control. Postchain is the only product on the market that combines the immutable consensus of a blockchain and the properties of a real database management system (You know, the tech that built SAP, Facebook, Banks…) … Postchain allows you to share information between companies and/or individuals in a secure and transparent way. That is the low-level base of Chromia you can say Moh (Binance Angel)🇳🇬, Can you please name some of your clients that are using this service already? Serge, You mean products built on Postchain? Also, Stockholm Green Digital Finance, Green Assets Wallet that’s now functioning on Chromia Bootstrap Mainnet. Big financial institutions It’s only a beginning of course, but very promising one.https://greenassetswallet.org/news/2019/12/12/launch-of-the-green-assets-wallet Henrik Hjelte, We got a lot of attention with the Swedish Land registry; we did a joint project between them and banks and a telco etc on postchain as base. Then, right now we do a large project with the Inter-American Development bank also about land-registration (processes) in South America. We had a client, Stockholm Green Digital Finance, that did a system for green bonds (tracking environmental impact. Yes, as Sege says, it was later moved to Chromia… Which is cool. Also, another external development company did that phase of the project, proving that other can build on our tech,4irelabs from Ukraine is their name. Some companies using the GAW: Blackrock. SEB Bank etc… Also, we have done more projects, in Australia, asia etc. Oh Daimler too (the Mercedes company) … Moh (Binance Angel)🇳🇬, Lots of enterprise clients you’ve got. No wonder I do see the meme “CHR=ETH KILLER” Serge, It’s a meme from our supporters. But we believe we can coexist:) For some niche things eth is good :) So, no killing :D Henrik Hjelte, We want to work with partners too for this, we can’t do all projects ourselves. Also, for Chromia projects, ChromaWay company can help do support maintenance etc. So, it is not competing, it adds value to the ecosystem. Yeah ETH is good too, for some applications. We are friends with them from colored-coin times. And colored-coins inspired ETH, and ETH inspires us. Moh (Binance Angel)🇳🇬, Question No 5 : Lastly, CHROMIA is already doing very well in terms of business. You just got listed on BINANCE JEX, you are on-boarding new clients and dishing out new features. But what’s next? Is there anything to be excited about? Henrik Hjelte, Plans for 2020 are to both release a series of dapps to showcase how fantastic Chromia is, as well as continue to develop the platform. And when it is secure and good enough, we will release the mainnet. Dapps are now being made by us as well as others. We do a decentralized social network framework called Chromunity, now released to TestNet. It is really cool, users can vote over moderators, and in the future users might even govern the complete application, how it can be updated. This is a great showcase for Chromia and why we use the slogan Power to the Public. https://testnet.chromunity.com/ Games coming are: Mines of Dalarnia (by Workinman Interactive). An action game in a mine with blockchain rental of plots and stuff. Already on TestNet and you can take a peek on it athttps://www.minesofdalarnia.com more coming… Krystopia 2, novas journey. A puzzle game done by Antler Interactive. Could only find trailer though:https://www.youtube.com/watch?v=-G95-Dw3kI4 However, we have even larger ambitions with blockchain gaming… We are doing A secret demo-project that we do together with Antler to showcase the technical potential of Chromia platform. Another exciting relase is an indie game Chain of Alliance, done by two external developers. It is a strategy game with full-logic on blockchain. Public release on TestNet on May 22! More coming in 2020: Other dapps from other companies, one in impact-tech. That is a serious app, Chromia also works outside gaming and social media for enterprises and startups And I hope some of you will do something, we want to support dapps on the platform so reach out to us… Moh (Binance Angel)🇳🇬, When can we be expecting the mainnet? Any approximate time? I’m sure the community will really excited to have that info Serge, It’s now in Bootstap phase, so it’s technically already functioning. MVP will be very soon Stay tuned;) Twitter questions Vs answers Ellkayy, What’s the unique thing in Chromia that no other blockchain has, that makes you the better option? Henrik Hjelte, Unique: Chromia is the only blockchain that also has a real, proper database built-in. And blockchain is about managing data in a shared context. How to best managed data was solved in computer science already. So far, it is the relational algebra model that is used in 100% of all enterprises, and has an 85% market share. Chromia is the only blockchain that use that model and that power. Ellkayy, Why Chromia use RELL and not SQL or JavaScript? Can developers with other language knowledge use Chromia? Serge, Rell is the only language on the blockchain side. You can combine with anything on client-side, although now client only exists for JS/TS, C# and Java/Kotlin. Rell is a language for relational blockchain programming. It combines the following features: 1 Relational data modeling and queries similar to SQL. People familiar with SQL should feel at home once they learn the new syntax. 2 Normal programming constructs: variables, loops, functions, collections, etc. 3 Constructs which specifically target application backends and, in particular, blockchain-style programming including request routing, authorization, etc. Rell aims to make programming as convenient and simple as possible. It minimizes boilerplate and repetition. At the same time, as a static type system it can detect and prevent many kinds of defects prior to run-time. Roshan DV, I have been monitoring your project for a while but some concerns about it: Your project will build your own core network, so you have more visibility than Ethereum and NEO. These are projects that were born before and which also have a very large community. And what can assure you that your project will guarantee the functionalities that you have defined? Henrik Hjelte, What came first? I want to remind that Vitalik was in the colored-coins project, led by our CTO and we had blockchain in production before ETH and NEO etc existed. We are the old dogs… Large community: We are part of the same community. When developers are fustrated and want to try new tech, they go to us from other blockchains. Also, we have a large potential: SQL (close to Rell and our tech) is the world top 3 language. Bigger than Java. Bigger than PHP. Only beaten bny HTML and javascript. Soliditiy is not on top 20 list. THere are millions of developers that know SQL. That is potential for community… (source is Stackoverflow annual programming survey). Paul (Via Manage), What are the utilities of Chromia and what purpose does the Chromia coin serve? Serge, Chromia meta-token called Chroma (CHR). It is used in Chromia to compensate block-producing nodes by fees. In Chromia, fees are paid by dapps, which can in their turn collect fees from users. Chromia provides mechanisms which balance the interests of developers and users. Dapp tokens can be automatically backed with Chroma, providing liquidity and value which is independent of investment into the dapp. Dapp investors can be compensated in Chroma through a profit-sharing contract. For developers, Chromia offers the opportunity to derive income from dapps. This incentivises the creation and maintenance of high quality dapps because better dapps generate more income and create more demand for tokens owned by the developer. The Chromia model is designed to support sustainable circular economies and foster a mutually beneficial relationship between developers, users, and investors. Idemudia Isaac, Thank you very muchu/henrik_hjelteu/sergelubkin You stated your plans for 2020 is to release series of dApps. What kind of large scale, mainstream decentralized application and $Chromia products do you think is suitable for the Nigerian environment? Henrik Hjelte, Actually, this is why we want to work with partners. We cannot know everything, For African market we have seen of course payments/remittances (but it has fallen out of trend). We would love to do real-estate /land-registration but we understand we need a strong local partner (more than a single person, a real company or organization driving). ●CC● | Elrond 🇵🇭, What plans do you have to building a vibrant global community around Rell? And how would you go about encouraging/incentivising such ‘Rellists’ around the world to build dApps on Chromia?u/henrik_hjelteu/sergelubkin Henrik Hjelte, For developers (I am one too, or used to be) you normally need to prove a few things: \ That the tech is productive (can I do apps faster?)* \ That it is better (less bugs, more maintainable?)* Then the community will come. We see that all the time. Look at web development. React.js came, and developers flooded to it. Not because of marketing on Superbowl, but because it was BETTER. Fewer bugs and easier to do complex webapps. So, at core: people will come when we showcase the productivity gains, and that is what we need to focuson. ●CC● | Elrond 🇵🇭, Why do you choose to build Chromia token on ERC20 instead of other blockchain such as BEP2, TRC20…or your own chain while ERC20 platform is very slow and have a case of fee?u/henrik_hjelteu/sergelubkin Serge, So far Ethereum has the best infrastructure, it’s the oldest and most reliable network for tokens. It also became the industry standard which exchanges utilize. We will transfer 80% of all erc20 tokens to our Chromia blockchain when it’s ready for that. Koh, In your whitepaper it says in the upcoming version of ChromiaWallet that it will be able to function as a Dapp browser for public use. Q) Will it be similar to the Dapp browser on Trust Wallet? Serge, It’s live already try ithttp://vault-testnet.chromia.com/ It’s the wallet and a dapp browser CHROMIA is SOLID, Your metamorphosis is a laudable one,surviving different FUD, how have you been able to survive this longest bear market and continue building and developing cos many projects have died out in this time period! Henrik Hjelte, You need to know we started a company before ETH existed. There was 0 money in blockchain when we started. I did it becuase it was fun, exciting tech and MAYBE someone would be interested in the thing we made “Tokens”… We were never in the crazy bull-market, manly observed the crazies from the side. We fundraised for CHR in a dip (they called it bear market). ChromaWay the company also make money from enterprises. Алекс, What is SSO? What makes it important for chromias ecosystem? Why should we users be attracted to it?’ Serge, Chromia SSO is perhaps the most important UX improvement that Chromia offers the decentralized world. It revolutionizes the way users interact with dapps. Any dapp requires users to sign transactions, that means they need a private key. Control of the private key is control of any and all dapps or assets associated with it. This means that private keys have an especially stringent set of security requirements in a blockchain context — they control real value, and there is no recourse if they are compromised or lost.https://blog.chromia.com/chromia-sso-the-whys-and-the-whats/ Olufemi Joel, How do you see the Chromia project developing in 3 to 5 years, both on the commercial level and on the evolution of the company? What are the plans for expansion in different regions? Are you going to outsource the team/skills or keep it centralized and set up offices? Henrik Hjelte, I take part of the question. On outsource: we were a distributed team from day one, with co-founders from 3 countries (still living there). We are distributed now, Ukraine, Sweden, Vietnam, Croatia, China are “hubs” then we have individuals too. No big plan, just where we found great developers… Park Lee,u/henrik_hjelte You claim CHOROMIA have fast support, useful features with an affordable service cost. That fast and the fees are cheap but can you guarantee stability? What’s the Algorithms which are used by CHROMIA for that fast? And Can you explain it? Serge, We use PBFT protocol with some features of DPOS, this plus sidechains parallelism offers almost unlimited speed and scalability. We also use the feature called anchoring to secure all transactions in batches on Bitcoin blockchain. Mario Boy, What are you guys trying to achieve as an end goal? The next Ethereum? Or the next enterprise version of Ethereum? Or something different? Henrik Hjelte, The end goal… good question. When we started in 2014 there were no other blockchain companies, so we wanted to do the best blockchain technology in order to enable a decentralized world with more fair applications. And that is what we still do. Technology/software that can enable people to make a fairer world Erven James Sato, “STAKING” is one of the STRATEGIES to ATTRACT USERS and ACHIEVE MASS ADOPTION Does your GREAT PROJECT have plan about Staking? Serge, Yes, we announced our staking plans couple of months agohttps://blog.chromia.com/on-providers-and-stakes/ We are working with our current partners to make it accessible for general public. Chizoba, I often see Chromia and ChromaWay being used interchangeably, what is the relationship between the two? Henrik Hjelte, ChromaWay the company started Chromia from code done as postchain. This is normal in open-source development, a company that leads development. But Chromia will be a decentalized network, so ChromaWay will not make direct money out of it more than if we have a role as a Provider (and get payed for hosting). ChromaWay can indirectly make money from optional support and maintenance etc. Also, this, perfectly normal in open-source world. And it also benefits Chromia that there is a market for support. A market open for competition. No special treatment for “ChromaWay” Enajite, How to start coding on Chromia? Henrik Hjelte, Go tohttps://rell.chromia.comand follow the tutorial. Enjoy the free time you get compared to other blockchain languages… ●CC● | Elrond 🇵🇭, Chromia process 500 TPS, these is slow compare to other Blockchains, where we can see now 60K TPS if more capacity require, how can that be?u/henrik_hjelteu/sergelubkin Serge, Yes, if you need faster speed you can use parallelism by having multiple blockchains for your dapp. Also, by optimization and better architecture sky is the limit. Delphino.eth ⟠, Can we consider Chromia an hybrid? For its mixing of Blockchain and a Database? Henrik Hjelte, Yes and no. I want to stress that Chromia is a FULL blockchain. It is not only “inspired”. It is a blockchain AND a database. I tend to think about Hybrid more in the usecases that you might have as a customer. For example, a bank might want to have some data/transactions private (as a private blockchain) and have another half of the application with public data (on Chromia). So that is a hybrid solution, and Chromia ROCKS in that segment since it is the only blockchain that is complete relational database (what the normal world uses anyway for 85% of all applications) Example area: “open banking” Steve bush, How will Chromia I have any empower Investors, Companies, Developers, Platform Users to deliver impactful solutions and bring value to people all over the world? Henrik Hjelte, In order to make blockchain go big, we need to have users. Users need to be able to use apps with ease. Chromia have features like single-sign on (ease of use), but importantly do not require owning tokens to USE apps. Also, it needs to be easy to make applications. For example, if you are a student in US and came up with an idea, you want to make an application for your school. Let’s call it “thefacebook”. You code something in PHP and MySQL. DID YOU SEE THAT. SQL. SQL.SQL. It is the same tech that Chromia has but no one else in the blockchain business. SQL rules the world if you look outside the crypto bubble. Google the Oracle head-office… 100% of all enterprises use it… Because it is easy and powerful. And we even improve on SQL with Rell…. So, compare that with a hacky virtual machine that have a few years…. 😊 August, “Mines of Dalarnia” is a game that has caught my attention a lot, due to its simplicity and quality. But in the time that I have used it I have not been able to differentiate between the Chromia blockchain of this game and that of the competition? What other games do you have next to develop? I would like to give ideas in those games like a Gamers! Henrik Hjelte, We thought about in corona time sports club might want to engage more with their fans digitally. And of course, E-Sports is getting a real momentum as the young generation grows up. Now a bit sad that all games are centralized. My daughter will be sad when (at some day?) they will close down roblox… it happens to all centralized apps eventually… that is what we fix. Power to the Public to control apps and their future. I’ll repost again Alex post. Sorry I like it a lot…https://blog.chromia.com/towards-publicly-hosted-applications/ Bisolar, Good day Chromia team from a Chromia fan Can you tell us Chromia’s geographical focus at the moment and the proces it follows for it BUSINESS DEVELOPMENT? What factors do you consider before identifying NEW MARKETS to enter? Serge, Chromia will initially focus on community building in China, Korea, US and Europe. The focus of community growth will gradually expand to other markets as the project gains popularity. Current community growth strategies of Chromia include: Chromia blockchain incubator creation to welcome more projects to the Chromia blockchain Host blockchain gaming conferences, workshops, and meetups to engage with potential users. Provide online and face-to-face tutorials to engage with dapps developers. Attract blockchain developers through direct and indirect approach via specialized platforms and communities. Develop our relations with existing and previous corporate clients, and their partnership networks to participate in their blockchain ventures Launch Node program to encourage system providers to run nodes on the Chromia blockchain. Staking program for Chroma (CHR) tokens Active community engagement via social channels. Future community growth strategies of Chromia after Mainnet launch include: Partner with more gaming studios, startups and enterprises Build local communities with Ambassador Programs. Partner with external incubator and accelerators to provide blockchain expertise and introduce projects to Chromia ecosystem Continue organizing hackathons around the world to attract more developers. Emmanuel, I want to know the current structure of your roadmap? What is the future roadmap of CHROMIA? Is there any key milestone coming??? Henrik Hjelte, It is easy to do a roadmap; anyone can make a pape plan. But I think they are used in the wrong way. Software is hard, blockchain is even harder because it NEEDS TO BE SECURE. No MVP releases. We cannot even have roadmap deadlines and skimp on quality. Where we are now though is: Rell language finished so much that developers can write apps and see its magic. We have external devs doing dapps. We have the first phase of mainnet. We have a series of releases coming up. We will release mainnet when it is secure enough, and gradual roll out. I think quite soon, development is going great at the moment, a bit quicker than we though. Ellkayy, Why doesn’t Chromia transactions use gas? How do you power transactions then? Serge, Main feature of gas in Ethereum is to pay for transactions for miners get rewards. In our scenario Providers get rewards from dapp owners. So dapp owner pays for storing their dapp. It’s like Amazon Web Service model. Then dapp owner can monetize it in its own way. Ellkayy, Many developers don’t know RELL, just Solidity and SQL. Is this a barrier or threat to Chromia? Why RELL is better? Henrik Hjelte, Very few developers know Solidity. Do a search on github. I referred previously to stackoverflow programming language survey results.https://insights.stackoverflow.com/survey/2019#technology If you know SQL, you learn Rell in a day. SQL is the top 3 language here. I’d say there are millions that can easily jump to Rell. Soldity or other blockchains, not on top 20 list even. Rell is a hipper, nicer version of SQL that is also a “normal” programming language. Developers like to learn new things, new languages. Otherwise we would be stuck with PHP, the DOMINANT language. Well, is it still? Seems javascript and react.js and node etc is taking over… Moh (Binance Angel)🇳🇬, This brings us to the end of the AMA. It’s been a pleasure being with all of you, THANK YOU. Special shout out tou/sergelubkinandu/henrik_hjeltefor honouring us with their presence today❤️ Kindly follow CHROMIA on twitter and join the conversation with their community on Telegram Twitter: https://twitter.com/Chromia Telegram: https://t.me/hellochromia Official Chromia Nigeria Community Channel 🇳🇬 : https://t.me/ChromiaNigeria Website: www.chromia.com
Bitcoin is by far the most successful cryptocurrency. After ten years of development, the concept of Bitcoin as a community currency has gained widespread acceptance. With the participation of more and more miners, exchanges, developers, and ordinary users, the network effect of Bitcoin is strong and growing. According to the latest data from CoinMarketCap, Bitcoin Dominance accounts for 65.4% of the total market value of cryptocurrency, which is unmatched by any other blockchain project. However, this huge network effect has not spawned more valuable applications on the Bitcoin network. This is mainly due to the non-Turing complete script of Bitcoin, which cannot support the implementation of complex logic. Although Bitcoin uses non-Turing-complete scripts for security reasons, this undoubtedly sacrifices more possibilities for the Bitcoin ecosystem and hinders the further expansion of its network effect. Smart contracts are Turing complete and can be used to develop complex DApps. But even though Ethereum and other blockchain projects support smart contracts, the user base and network effects pale in comparison to Bitcoin. https://preview.redd.it/r2mqkqsv0oq41.jpg?width=1400&format=pjpg&auto=webp&s=52f63dcf895b04b719fcde0b08054479706fd050
BSC = Bitcoin Users + Smart Contracts
https://preview.redd.it/xmgdkzwx0oq41.jpg?width=1400&format=pjpg&auto=webp&s=63ab187873f9364779fe5a13506ad2a015c55d73 We propose BSC (Bitcoin Smart Contract) in the whitepaper https://docs.bsc.net/en/bsc_en.pdf BSC will be a hard fork of Bitcoin, inheriting all the transaction history of Bitcoin, and will support smart contracts with unlimited flexibility. With the original user base and network effects of Bitcoin, BSC will enable DApps with real value. Bitcoin users + smart contracts are likely to bring the entire industry into a new phase. Applications in the original smart contract ecosystem will likely bring qualitative changes with the help of Bitcoin’s network effect: BTC + Digital Assets. Bitcoin users and developers will be able to issue digital assets similar to ERC-20 on the BSC network. The Bitcoin network effect makes these assets potentially more useful and valuable. BTC + DeFi. Similar to MakerDAO, decentralized lending and fund custody, stablecoins, etc. will be built on the user base of Bitcoin to gain greater scale and visibility with the leading crypto asset. BTC + Privacy Protocol. Since Bitcoin assets account for a very high proportion in the entire industry, Bitcoin users’ need for privacy is even more urgent. A smart contract-based privacy protocol can be built in the BSC ecosystem, and Bitcoin users can use this to achieve asset privacy. BTC + DApp. Bitcoin users can directly create various DApps in the BSC network, such as decentralized exchanges, decentralized games, and decentralized domain name services. These applications are not mainstream now, but given the huge network effect of Bitcoin, there will be more DApps that can prove their value.
Compatibility with Bitcoin Ecosystem
To provide the huge network effect of Bitcoin, BSC is technically compatible with Bitcoin in terms of the underlying architecture and network parameters: The infrastructure layer of the BSC adopts the UTXO (Unspent Transaction Output) model that is completely consistent with Bitcoin, supports all script types of Bitcoin, and naturally supports SegWit, multi-sig, etc. Compared with the account model, the UTXO model has certain advantages in terms of security, anonymity, and parallelism, and supports SPV (Simple Payment Verification), which makes it easier to support light wallets. Due to the consistency of the underlying architecture, BSC is naturally compatible with the Bitcoin ecosystem. For example, all types of Bitcoin wallets, browsers, and Layer-2 protocols (such as the Lightning Network) can directly support BSC, and users have no limits. Also, the upper limit of the total supply of BSC, the inflation rate, and the halving period are all consistent with Bitcoin. BSC will also inherit all the transaction history data of Bitcoin. Bitcoin users will obtain the equivalent BSC 1: 1. All subsequent BSC coins will be generated by PoW mining, and the development team will not have any pre-mining or pre-allocation of any coins.
Compatibility with Smart Contracts
Virtual machines are the execution environment of smart contracts. Based on maintaining the above compatibility with Bitcoin’s underlying infrastructure, BSC has achieved compatibility with EVM (Ethereum Virtual Machine) by adding additional scripts and intermediate layers, so that it can theoretically support all smart contracts in the Ethereum ecosystem. Popular applications in the Ethereum ecosystem, such as MakerDAO, AZTEC privacy protocol, decentralized stablecoins, etc., can be directly ported to the BSC network. Although these applications have received some attention on Ethereum, restrictions on the Ethereum network has significantly limited their further development. For example, decentralized lending, if you rely on the stability of Bitcoin assets and the participation of Bitcoin users, you will get more room for development.
Mining Algorithm and Reward
BSC uses the PoW consensus mechanism. Unlike Bitcoin, BSC uses the newer SHA-3 + Blake2b mining algorithm. Bitcoin’s computing power is mainly controlled by several large Bitcoin mining pools. If BSC used a PoW mining algorithm the same as Bitcoin or any mining algorithm that already has ASIC miners, there would be a good possibility for the network to suffer 51% attacks during the initial startup. To reduce the risk of attack and keep the network sufficiently decentralized, BSC uses the SHA-3 + Blake2b hash algorithm. This algorithm has been verified in projects such as Handshake, and currently, there is no ASIC miner available, which helps ensure the stable development of the BSC network. As a BSC miner, in addition to the block rewards and transaction fees like Bitcoin, the block rewards will include the gas cost of smart contracts. Every halving of bitcoin brings significant challenges to miners. When the future bitcoin block reward is reduced to zero, whether transaction fees can support miners’ income is still unknown. The introduction of smart contracts will give BSC miners a source of additional revenue, further encourage miners to participate in mining, and protect the security of the network.
Community Governance
The BSC project is initiated by the developers from its community, and they no economic benefits. Therefore, the development of the BSC project must rely on a sufficient number of people to recognize its value. To verify interest, BSC will collect digital signatures from the Bitcoin community, and the project will not officially start until it receives signature support for more than 50,000 BTC, as shown on the official website (https://bsc.net/). After the project was released on Bitcointalk https://bitcointalk.org/index.php?topic=5231921.0 , the BSC project gained more and more attention in the Bitcoin community, and the number of signatures collected is steadily increasing, proving that more and more Bitcoin holders have recognized the idea of Bitcoin Smart Contract. From https://bsc.net/ https://preview.redd.it/2qkpg3611oq41.jpg?width=1400&format=pjpg&auto=webp&s=8cf83f1f4b9866fc1a538b8daf8e2fc340336589
You've probably been hearing a lot about Bitcoin recently and are wondering what's the big deal? Most of your questions should be answered by the resources below but if you have additional questions feel free to ask them in the comments. The following videos are a good starting point for understanding how bitcoin works and a little about its long term potential:
Limited Supply - There will only ever be 21,000,000 bitcoins created and they are issued in a predictable fashion, you can view the inflation schedule here. Once they are all issued Bitcoin will be truly deflationary. The halving countdown can be found here.
Open source - Bitcoin code is fully auditable. You can read the source code yourself here.
Accountable - The public ledger is transparent, all transactions are seen by everyone.
Decentralized - Bitcoin is globally distributed across thousands of nodes with no single point of failure and as such can't be shut down similar to how Bittorrent works.
Censorship resistant - No one can prevent you from interacting with the bitcoin network and no one can censor, alter or block transactions that they disagree with, see Operation Chokepoint.
Push system - There are no chargebacks in bitcoin because only the person who owns the address where the bitcoins reside has the authority to move them.
Low fee - Transactions fees can vary between a few cents and a few dollars depending on network demand and how much priority you wish to assign to the transaction. Most wallets calculate the fee automatically but you can view current fees here.
Borderless - No country can stop it from going in/out, even in areas currently unserved by traditional banking as the ledger is globally distributed.
Trustless - Bitcoin solved the Byzantine's Generals Problem which means nobody needs to trust anybody for it to work.
Portable - Bitcoins are digital so they are easier to move than cash or gold. They can even be transported by simply remembering a string of words for wallet recovery.
Scalable - Each bitcoin is divisible down to 8 decimals allowing it to grow in value while still accommodating micro-transactions.
Some excellent writing on Bitcoin's value proposition and future can be found here. Bitcoin statistics can be found here, here and here. Developer resources can be found here and here. Peer-reviewed research papers can be found here. The number of times Bitcoin was declared dead by the media can be found here. Scaling resources here, and of course the whitepaper that started it all.
Where can I buy bitcoins?
BuyBitcoinWorldwide.com and Howtobuybitcoin.io are helpful sites for beginners. You can buy or sell any amount of bitcoin and there are several easy methods to purchase bitcoin with cash, credit card or bank transfer. Some of the more popular resources are below, also, check out the bitcoinity exchange resources for a larger list of options for purchases.
Here is a listing of local ATMs. If you would like your paycheck automatically converted to bitcoin use Cashila or Bitwage. Note: Bitcoins are valued at whatever market price people are willing to pay for them in balancing act of supply vs demand. Unlike traditional markets, bitcoin markets operate 24 hours per day, 365 days per year. Preev is a useful site that that shows how much various denominations of bitcoin are worth in different currencies. Alternatively you can just Google "1 bitcoin in (your local currency)".
Securing your bitcoins
With bitcoin you can "Be your own bank" and personally secure your bitcoins OR you can use third party companies aka "Bitcoin banks" which will hold the bitcoins for you.
If you prefer to "Be your own bank" and have direct control over your coins without having to use a trusted third party, there are many software wallet options here. If you want easy and secure storage without having to learn computer security best practices, then a hardware wallet such as the Trezor or Ledger is recommended. A more advanced option is to secure them yourself using paper wallets generated offline. Some popular mobile and desktop options are listed below and most are cross platform.
If you prefer to let third party "Bitcoin banks" manage your coins, try Coinbase or Xapo but be aware you may not be in control of your private keys in which case you would have to ask permission to access your funds and be exposed to third party risk.
Another interesting use case for physical storage/transfer is the Opendime. Opendime is a small USB stick that allows you to spend Bitcoin by physically passing it along so it's anonymous and tangible like cash. Note: For increased security, use Two Factor Authentication (2FA) everywhere it is offered, including email! 2FA requires a second confirmation code to access your account, usually from a text message or app, making it much harder for thieves to gain access. Google Authenticator and Authy are the two most popular 2FA services, download links are below. Make sure you create backups of your 2FA codes.
Gift cards for hundreds of retailers including Amazon, Target, Walmart, Starbucks, Whole Foods, CVS, Lowes, Home Depot, iTunes, Best Buy, Sears, Kohls, eBay, GameStop, etc.
There are several benefits to accepting bitcoin as a payment option if you are a merchant;
1-3% savings over credit cards or PayPal.
No chargebacks (final settlement in 10 minutes as opposed to 3+ months).
Accept business from a global customer base.
Increased privacy.
Convert 100% of the sale to the currency of your choice for deposit to your account, or choose to keep a percentage of the sale in bitcoin if you wish to begin accumulating it.
If you are interested in accepting bitcoin as a payment method, there are several options available;
Mining bitcoins can be a fun learning experience, but be aware that you will most likely operate at a loss. Newcomers are often advised to stay away from mining unless they are only interested in it as a hobby similar to folding at home. If you want to learn more about mining you can read more here. Still have mining questions? The crew at /BitcoinMining would be happy to help you out. If you want to contribute to the bitcoin network by hosting the blockchain and propagating transactions you can run a full node using this setup guide. Bitseed is an easy option for getting set up. You can view the global node distribution here.
Earning bitcoins
Just like any other form of money, you can also earn bitcoins by being paid to do a job.
You can also earn bitcoins by participating as a market maker on JoinMarket by allowing users to perform CoinJoin transactions with your bitcoins for a small fee (requires you to already have some bitcoins)
Bitcoin Projects
The following is a short list of ongoing projects that might be worth taking a look at if you are interested in current development in the bitcoin space.
One Bitcoin is quite large (hundreds of £/$/€) so people often deal in smaller units. The most common subunits are listed below:
Unit
Symbol
Value
Info
millibitcoin
mBTC
1,000 per bitcoin
SI unit for milli i.e. millilitre (mL) or millimetre (mm)
microbitcoin
μBTC
1,000,000 per bitcoin
SI unit for micro i.e microlitre (μL) or micrometre (μm)
bit
bit
1,000,000 per bitcoin
Colloquial "slang" term for microbitcoin
satoshi
sat
100,000,000 per bitcoin
Smallest unit in bitcoin, named after the inventor
For example, assuming an arbitrary exchange rate of $500 for one Bitcoin, a $10 meal would equal:
0.02 BTC
20 mBTC
20,000 bits
For more information check out the Bitcoin units wiki. Still have questions? Feel free to ask in the comments below or stick around for our weekly Mentor Monday thread. If you decide to post a question in /Bitcoin, please use the search bar to see if it has been answered before, and remember to follow the community rules outlined on the sidebar to receive a better response. The mods are busy helping manage our community so please do not message them unless you notice problems with the functionality of the subreddit. A complete list of bitcoin related subreddits can be found here Note: This is a community created FAQ. If you notice anything missing from the FAQ or that requires clarification you can edit it here and it will be included in the next revision pending approval. Welcome to the Bitcoin community and the new decentralized economy!
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