Bip 32 Github

io is tracked by us since April, 2013. HD wallets generate a hierarchical tree-like structure of keys which start from the seed master key based on BIP 32. BIP32 for Monacoin and Kumacoin. m/purpose' / coin_type' / account'/ change/ address_index The letter m denoted the master node and all hierarchical levels are separated with slashes (/). io is quite a safe domain with no visitor reviews. BIP 32 gave us Hierarchical Deterministic Wallets, that is, the ability to create a tree of keys from a single seed. Broker forex indonesia lokal. Users can publish static or dynamic websites to ZeroNet and visitors can choose to also serve the site themselves. Introduction. in in 2013, and modified to work with Peershares assets by ttutdxh. since I have keypool=250000 When I ask for a new address, it picks one at random from /0 to /249999. This BIP is a particular application of BIP43. Extract private root key from Electrum. • BIP-32 describes how you can build a general hierarchical deterministic wallet. (Technical jargon "BIP32" and "P2SH" will be explained in future blog posts. Sentinel is fully open source software. The project is hosted on GitHub. icymi: part 1 (blockchain/bitcoin) | part 2 (concepts) | part 3 (strategies) This is jumping ahead a bit and I wanted to do a post on some of the more actual basics (transferring coins, public vs private keys, origins, etc. Thanks to the active BitcoinJS team and their hard work - some code borrowed from it. It is highly recommended to encrypt the xprv before storage and then unencrypted destroy the original to prevent theft. The BIP-32 standard describes the algorithms and processes of securely deriving multiple private-public key pairs and addresses from a single entropy value, thus creating hierarchical deterministic (HD) wallets. If you need help determining your key from a recovery phrase go. private-key bip-32-hd-wallets private-key-export multibit-hd. Bitcoin full node in F#. Typing your own twelve words will probably not work how you expect, since the words require a particular structure (the last word is a checksum) Bip32 xpub key. No superimposing wallet structure has been defined. You can enter an existing BIP39 mnemonic, or generate a new random one. Awesome Bitcoin List. This BIP defines a logical hierarchy for deterministic wallets based on an algorithm described in BIP-0032 (BIP32 from now on) and purpose scheme described in BIP-0043 (BIP43 from now on). m is level 0, purpose is level 1, coin_type is level 2 etc. BIP32 for Monacoin and Kumacoin. BIP32 derives private keys in more complex way. # Pybitcointools, Python library for Bitcoin signatures and transactions ### Advantages: Functions have a simple interface, inputting and outputting in standard formats. Powered by GitHub Pages GitHub Repository Download ZIP. Hierarchical Deterministic Wallets (BIP 32) Payment Protocol (BIP 70) Payment URLs (BIP 21,BIP 72) Two-Factor keys (BIP 38) We hope you will enjoy exploring the code and building your first apps. Currently only two remote sources can be queried: Blockchair and Blockstream. (Technical jargon "BIP32" and "P2SH" will be explained in future blog posts. This is used when you need to Sign Transactions, or to access the raw public/private Buffers. Please note that if you create the Address from a Public Key, you will not get back an ECPair, since we need access to the Private Key in order to create/access the ECPair. 00001 BTC/kB fee 0. This is an example of a "second layer" solution living atop the main blockchain. You will receive a link and will create a new password via email. compatible with ledger wallet nano s. bsv comes with built-in support for BIP 32 in the form of the classes HDPrivateKey and HDPublicKey. Q&A for Bitcoin crypto-currency enthusiasts. Get the internal ECPair. A tool for converting BIP39 mnemonic phrases to addresses and private keys. • BIP-32 describes how you can build a general hierarchical deterministic wallet. Release notes are here: Fixed URI Handler for Setup. Skip to content. Choose your wallet -> Click the top-right icon -> Export Wallet-> File/Text-> Set up a password -> Copy to clipboard. From this seed, you can generate the same series of private keys over and over. We won't go into details because most BIP 32 compliant wallets also support the next feature. Back to Blog Entries BIP 32 Wallet compatibility. BIP39 Mnemonic code for generating deterministic keys. Please donate here if you found this project useful or want to see more features!. Thanks to the sterling work of GitHub user "gurnec" during Beta testing an incompatibility between MultiBit HD and other hierarchical deterministic (HD) wallets was discovered indicating that they are not BIP 32 compliant. since I have keypool=250000 When I ask for a new address, it picks one at random from /0 to /249999. Find all you need to know and get started with Axe on axerunners. I use axic/bip32-path BIP32 Path. I have tested it out, and I must say I enjoy it much more than the previous version. BIP32 defines a serialization format for extended keys. It is highly recommended to encrypt the xprv before storage and then unencrypted destroy the original to prevent theft. JavaScript component that's used to generate relevant addresses, wallet import formats, BIP32 encodings, and base 58 check encoding used by various crypto currencies. mediawiki at master · bitcoin/bips · GitHub 概要 このBIPでは階層的決定性ウォレット(HDウォレット)について説明する。. Mnemonic code for generating deterministic keys. A set of utilities for working with BIP32. net has a worldwide ranking of n/a down n/a and ranking n/a in n/a. This is part 29 of the Blockchain tutorial. novacrypto » SecureString. info bip32 bip39 bip49 mnemonic converter bitcoin. A web tool for converting BIP39 mnemonic codes. additional document for BIP32. mediawiki) compatible library for Flutter writing by Dart. Useful link for a free IDE :. Una vez las exportamos, nos damos cuenta de que nuestra llave puede tener un formato diferente (eso depende de cada wallet) Bip 32 como Airbitz con carteras HD, Bip39 como Coinomi, y otras con. Bitcoin Gold is extended by Lighting Network, which scales to route nearly limitless payments per second. since I have keypool=250000 When I ask for a new address, it picks one at random from /0 to /249999. BIP32 - is a method for generating a tree of private keys from a master private key. Mnemonic code for generating deterministic keys. this gem use bip32 for address generation, but this is a bit unclear for me and I can't find my answer online. php file which shows the coins that this class supports. In Ethereum, this is unnecessary as it does not operate in a UTXO scheme. A BIP32 compatible library. standard-wallet mode, managing an HD Wallet (BIP 32) with multiple accounts, supporting payments to a single address and enforcing user validation of the full transaction (unless the wallet is setup as a second factor for P2SH transactions). Which BIPs are supported by bitcoinj Introduction. This entropy is stored in the browser's localStorage to allow user state to persist across multiple sessions without any external dependency. The project is hosted on GitHub. standard-wallet mode, managing an HD Wallet (BIP 32) with multiple accounts, supporting payments to a single address and enforcing user validation of the full transaction (unless the wallet is setup as a second factor for P2SH transactions). GitHub Review. Typing your own twelve words will probably not work how you expect, since the words require a particular structure (the last word is a checksum). Which BIPs are supported by bitcoinj Introduction. And we don't compromise your privacy. 509 utilities for the payment protocol and other general cryptography tasks. I suggest that you download and compile the code yourself before running it on a machine that is …. Read more at the official BIP32 spec and see the demo at bip32. using ip address 104. ZeroNet General - First Amendment Edition - "/g/ - Technology" is 4chan's imageboard for discussing computer hardware and software, programming, and general technology. More documentation when the API becomes a bit more stable. BIP32 Last Release on Jan 27, 2019 9. The chain code is used as entropy in the Child Key Derivation function. The crypto package contains classes that work with key derivation algorithms like scrypt (passwords to AES keys), BIP 32 hierarchies (chains of keys from a root seed), X. This document describes hierarchical deterministic wallets (or "HD Wallets"): wallets which can be shared partially or entirely with different systems, each with or without the ability to spend coins. fr reaches roughly 638 users per day and delivers about 19,138 users each month. Typing your own twelve words will probably not work how you expect, since the words require a particular structure (the last word is a checksum). Thanks to the sterling work of GitHub user "gurnec" during Beta testing an incompatibility between MultiBit HD and other hierarchical deterministic (HD) wallets was discovered indicating that they are not BIP 32 compliant. MultiBit is designed to connect directly to the Bitcoin peer-to-peer network. If they don't, you may avoid using them. Q&A for Bitcoin crypto-currency enthusiasts. And as soon as the scanning of keys is completed on the network… Ta da!. Your article has been reviewed by two peer reviewers, and the evaluation has been overseen by a Reviewing Editor and Randy Schekman as the Senior Editor. Starting with version 2. in in 2013, and modified to work with Peershares assets by ttutdxh. More info BIP39 Mnemonic code for generating deterministic keys. Important Information! Ethos uses technology from BIP32, BIP39 and BIP44 to help you better manage your crypto assets. Download the file for your platform. Stay ahead with the world's most comprehensive technology and business learning platform. The seed allows a user to easily back up and restore a wallet without needing any other information and can in some cases allow the creation of public addresses without the knowledge of the private key. Read more at the official BIP39 spec. How can I do that? I have debuged the code and I found that there are some lines on the top of BIP32. Contribute to bip32JP/bip32JP. This page describes a BIP (Bitcoin Improvement Proposal). BIP - 44 defines a specific logical hierarchy for deterministic wallets based on an algorithm described in BIP - 32. Here is a list of all files with brief descriptions: [detail level 1 2 3 4] libbtc libbtc include btc base58. Mnemonic code for generating deterministic keys. More info BIP39 Mnemonic code for generating deterministic keys. ExtendedPrivateKey (Showing top 16 results out of 315) origin: lhalcyon/dapp-wallet-demo. # Pybitcointools, Python library for Bitcoin signatures and transactions ### Advantages: Functions have a simple interface, inputting and outputting in standard formats. BIP32 (or HD for "hierarchical deterministic") wallets allow you to create child wallets which can only generate public keys and don't expose a private key to an insecure server. This is achieved by extending the 'pubkey' field of a transaction input. These allow you to create a nested, hierarchical structure from your seed using what are called derivation paths. Derivation Path (BIP32) This is the public key to the Genesis Import Account in your newly created Particl Wallet. You can enter an existing BIP39 mnemonic, or generate a new random one. BIP32 (or HD for “hierarchical deterministic”) wallets allow you to create child wallets which can only generate public keys and don’t expose a private key to an insecure server. Client-side Bitcoin address and deterministic wallets generator, Base58 converter, transaction builder, signing and verifying messages with Bitcoin address. Copay users can hold funds individually or share finances securely with other users with multisignature wallets, which prevent unauthorized payments by requiring multiple approvals. Compatible with smartcashjs-lib ^2. As we all know, BIP32 isn't a small thing, it's huge for payments acceptance and ease-of-use for "normal" users who just want a simple way to back up and secure their coins. Instead it acts as a network of users, whats cash out bitcoin gdax purchase bitcoin united bitcoin mining cost profit Further, the block was encrypted hash proof of work, crafted in a compute-intensive procedure. We use these version bytes to encode the type of output scripts (scriptPubKeys) a wallet should derive along this HD subtree. flags - Either BIP32_FLAG_SKIP_HASH to skip hash160 calculation, or 0. Mnemonic code for generating deterministic keys. About open source komodo wallet. 1 was released on April 15, 2016 and enabled multiple soft forks to occur concurrently. Starting with version 2. Typing your own twelve words will probably not work how you expect, since the words require a particular structure (the last word is a checksum). For these reasons, Electrum does not generate BIP39 seeds. This tree is created using an incredibly powerful algorithm defined by BIP 32 called the CKD function. Please do not just create a wiki page. You shouldn't be using any of this with real. io/bip39/ but none of the addresses match. Copay users can hold funds individually or share finances securely with other users with multisignature wallets, which prevent unauthorized payments by requiring multiple approvals. bsv comes with built-in support for BIP 32 in the form of the classes HDPrivateKey and HDPublicKey. key blinding). Simple BIP32 (HD) wallet creation for: BTC, BTG, BCH, ETH, LTC, DASH, DOGE. In this video series different topics will be explained which will help you to understand blockchain. Typing your own twelve words will probably not work how you expect, since the words require a particular structure (the last word is a checksum). Typing your own twelve words will probably not work how you expect, since the words require a particular structure (the last word is a checksum). Important Information! Ethos uses technology from BIP32, BIP39 and BIP44 to help you better manage your crypto assets. WIP!!! Note that BIP32 is a work in progress and you shouldn’t use this just yet for any main net transactions. A set of utilities for working with BIP32. You can enter an existing BIP39 mnemonic, or generate a new random one. BIP32 Wallet Structure m/account/0 external 1 internal / serial : m/iH/0/k corresponds to the k'th keypair of the external chain of account number i of the HDW derived from master m BIP44 Wallet Structure. GitHub Gist: instantly share code, notes, and snippets. Client-side Bitcoin address and deterministic wallets generator, Base58 converter, transaction builder, signing and verifying messages with Bitcoin address. This is an example of a "second layer" solution living atop the main blockchain. (Can be 0 for no addresses) Input the password. BIP32 is a Brainwallet-based implementation for BIP0032 deterministic wallet generation - bip32/bip32. The seed allows a user to easily back up and restore a wallet without needing any other information and can in some cases allow the creation of public addresses without the knowledge of the private key. com/pages/ledger-nano-x?r=5243ecbb8427 Alternatively, if you prefe. A JavaScript component for BIP32(hierarchical deterministic keys). BIP39 & BIP32 C# example implementation. Purpose is a constant set to 44' (or 0x8000002C) following the. Thanks to the sterling work of GitHub user "gurnec" during Beta testing an incompatibility between MultiBit HD and other hierarchical deterministic (HD) wallets was discovered indicating that they are not BIP 32 compliant. With such a wallet, you would have to save only the seed. You will receive a link and will create a new password via email. Setup a private space for you and your coworkers to ask questions and share information. A BIP32 Wallet backed by bitcoinjs-lib, lite on features but heavily tested. Bitcoin BIP32 ("HD Wallet") path helpers. These includes: m/44'/0'/0'/0/0 where the apostrophe means hardened key; m/44h/0h/0h/0/0 where the letter h means hardened key. bip32-utils is a small set of utilities for use with BIP32 HD key nodes. All you need to determine a particular key is the master node (your mnemonic seed) and the location of the key in the tree (called its "path"). com/bitcoin/bips/blob/master/bip-0032. Download the file for your platform. Extract private root key from Electrum. I suggest that you download and compile the code yourself before running it on a machine that is …. BIP32 - is a method for generating a tree of private keys from a master private key. Bitcoin Core 0. The entropy can then be used to derive a hierarchical deterministic wallet given a path, as stated in the BIP-32 spec. Mnemonic code for generating deterministic keys. The project is hosted on GitHub. If they don't, you may avoid using them. (Thus, all parties must be able to generate all public keys) - Transaction creation + signing requires communication between parties, of course. I've just committed the first version of a HD wallet generator. js or can be in the browser with browserify, which will be demonstrated below. This wallet and site is a fork of OutCast3k/coinbin project with added KMD support. Choose your wallet -> Click the top-right icon -> Export Wallet-> File/Text-> Set up a password -> Copy to clipboard. BIP32 for Monacoin and Kumacoin. bitcoin-lib-php. Find all you need to know and get started with Axe on axerunners. BIP32 is a Brainwallet-based implementation for BIP0032 deterministic wallet generation - bip32/bip32. Visit https://bip32jp. Unlike traditional currencies such as dollars, bitcoins are issued and managed without any central authority whatsoever: there is no government, company, or bank in charge of Bitcoin. Awesome Bitcoin List. Typing your own twelve words will probably not work how you expect, since the words require a particular structure (the last word is a checksum). Read down from the top of the list, this is the order in which your HD wallet generates pub keys, so the addy(s) you used will start from the. By continuing to use Pastebin, you agree to our use of cookies as described in the Cookies Policy. BIP32 の派生演算では、secp256k1 の鍵長 256bit に加えて、さらに chain code と呼ばれる 256bit の値を用意する。 鍵と chain code を合わせて拡張鍵(extended keys)と呼び、鍵 k と chain code c から成る拡張鍵を (k,c) と記述する。. php file which shows the coins that this class supports. Mnemonic code for generating deterministic keys. Download files. Keep your Bitcoin, Ethereum, Ripple, Litecoin+ safely on you. This and a similar problem was in the python bip32-utils. BIP32 Hierarchical Deterministic Wallets. Today we are happy to announce that we have successfully broadcast the first BIP32 P2SH multisig transaction using Copay. • BIP-32 describes how you can build a general hierarchical deterministic wallet. Which Operating Systems Support KeepKey? Difference. Please do not just create a wiki page. It can generate mainnet and testnet addresses offline. Webhdwallet. BITAPP Developer Document BitApp Wallet. Create your own wallet. Mnemonic Code Converter. This page describes a BIP (Bitcoin Improvement Proposal). GitHub Gist: instantly share code, notes, and snippets. Thanks to the sterling work of GitHub user "gurnec" during Beta testing an incompatibility between MultiBit HD and other hierarchical deterministic (HD) wallets was discovered indicating that they are not BIP 32 compliant. According to Google safe browsing analytics, Bip32jp. ===== Secure bitcoin on your own terms with an open source, multisignature wallet from BitPay. I have significant holdings on the wallet so would very much like to reco. You can enter an existing BIP39 recovery phrase, or generate a new random one. 1 was released on April 15, 2016 and enabled multiple soft forks to occur concurrently. bip 32 wallet with openssl. This implementation supports ed25519. We use cookies for various purposes including analytics. Create a project directory. Typing your own twelve words will probably not work how you expect, since the words require a particular structure (the last word is a checksum). additional document for BIP32. Their new version is out now, the main difference is HD BIP32 xpub instead of payment forwarding. org Xpub balance. js and the browser (via Browserify). [email protected] Since version 4. Una vez las exportamos, nos damos cuenta de que nuestra llave puede tener un formato diferente (eso depende de cada wallet) Bip 32 como Airbitz con carteras HD, Bip39 como Coinomi, y otras con. BIP32 serialization version byte swap using BitWasp's bitcoin-php library - swap-version. BIP32 Last Release on Jan 27, 2019 9. BitApp, Create your life with blockchain. com/bitcoinjs/bip32-utils is designed by this documentation. Allows for naming and testing of 5 prime function calls to be the same across all three networks (main/test/stn) and minimizes duplication of code and potential for errors. Is there a specific reason to why BIP39 isn't added to Bitcoin Core? Seems very trivial to add and am confused to why it isn't there. You will receive a link and will create a new password via email. BIP39 & BIP32 C# example implementation. Powered by GitHub Pages GitHub Repository Download ZIP. Lost your password? Please enter your email address. dotnetstandard-bip32 1. Bitcoin full node in F#. The need for multiple addresses comes from the fact that different addresses are needed for different blockchains or to create new. All you need to determine a particular key is the master node (your mnemonic seed) and the location of the key in the tree (called its “path”). BIP39 Mnemonic code for generating deterministic keys. com/bitcoin/bips/bl. com While your scheme reuses the bip44 purpose field (44') it does not actually follow the bip44 scheme. HD Wallet (BIP 32) Mnemonic Code for HD Keys (BIP39) Stealth addresses. The best place for learning about what's going on with the latest decentralized tech. Cointoolkit is a free and open source project released under the MIT license, originally released by OutCast3k as Coinb. Enter your BIP39 phrase into the 'BIP39 Phrase' field, or press 'Generate Random Phrase'. BIP 32 Wallet compatibility. Mnemonic code for generating deterministic keys. Dash is an innovative payment network and a new kind of money. With such a wallet, you would have to save only the seed. version - Either BIP32_VER_MAIN_PRIVATE or BIP32_VER_TEST_PRIVATE, indicating mainnet or testnet/regtest respectively. It can generate mainnet and testnet addresses offline. m is level 0, purpose is level 1, coin_type is level 2 etc. In Ethereum, this is unnecessary as it does not operate in a UTXO scheme. This serialization includes four bytes allocated as version bytes. It does this without adding any new basic cryptographic assumptions to the Bitcoin system, and with a manageable level of overhead. Create your own wallet. This BIP defines a logical hierarchy for deterministic wallets based on an algorithm described in BIP-0032 (BIP32 from now on) and purpose scheme described in BIP-0043 (BIP43 from now on). The crypto package contains classes that work with key derivation algorithms like scrypt (passwords to AES keys), BIP 32 hierarchies (chains of keys from a root seed), X. The homepage of opam, a package manager for OCaml. Our goal, in fact, is providing you a complete and encompassing way to buy, sell, convert and manage all your digital. We use cookies for various purposes including analytics. From this seed, you can generate the same series of private keys over and over. Java microlibrary implementation of BIP0044. You can enter an existing BIP39 mnemonic, or generate a new random one. Powered by GitHub Pages GitHub Repository. com While your scheme reuses the bip44 purpose field (44') it does not actually follow the bip44 scheme. Bitcoin and Litecoin have something called XPUB key or Extended Public Key that essentially allows to track all generated public addresses, so think monitor your total balance in one key. BIP32 Wallet Structure m/account/0 external 1 internal / serial : m/iH/0/k corresponds to the k'th keypair of the external chain of account number i of the HDW derived from master m BIP44 Wallet Structure. Then, you can retrieve your xPrivKey on the BIP32 Extended Key input. This work of art is public domain. Mnemonic code for generating deterministic keys. Please do not just create a wiki page. private-key bip-32-hd-wallets private-key-export multibit-hd. Typing your own twelve words will probably not work how you expect, since the words require a particular structure (the last word is a checksum). More info BIP39 Mnemonic code for generating deterministic keys. This project is under development and currently in alpha stage. com/pages/ledger-nano-x?r=5243ecbb8427 Alternatively, if you prefe. Note that private keys for compressed and uncompressed bitcoin public keys use the same version byte. Popular com address bip32 Projects - Libraries. Github Developer Star Fork Watch Issue Download. Golang BIP32 private key to Web3 Secret Storage conversion. fr reaches roughly 638 users per day and delivers about 19,138 users each month. Over the time it has been ranked as high as 167 in the world, while most of its traffic comes from China, where it reached as high as 84 position. [email protected] By continuing to use Pastebin, you agree to our use of cookies as described in the Cookies Policy. - The address generation process should not require communicating with other parties. A web tool for converting BIP39 mnemonic codes. Cointoolkit is a free and open source project released under the MIT license, originally released by OutCast3k as Coinb. In July 2016, the CheckSequenceVerify soft fork activated. Wallets are now hierarchical and deterministic (HD) by default, using the BIP32 specification. GitHub Gist: star and fork leogr's gists by creating an account on GitHub. Cointoolkit is a free and open source project released under the MIT license, originally released by OutCast3k as Coinb. BIP32 is defined for curve secp256k1, and fairly easily applied to cofactor=1 curves, while ChainKD is designed specifically for Ed25519 having cofactor 8. BIP32 Extended Key. It can be viewed on Insight here. Derivation index in BIP32 is a 31-bit integer, in ChainKD it is a > binary string. Decrypt Copay wallet backups. Mnemonic code for generating deterministic keys. ExtendedPrivateKey (Showing top 16 results out of 315) origin: lhalcyon/dapp-wallet-demo. m/purpose' / coin_type' / account'/ change/ address_index The letter m denoted the master node and all hierarchical levels are separated with slashes (/). These wallets can be shared partially or entirely with different systems, each with or without the ability to spend coins. Una vez las exportamos, nos damos cuenta de que nuestra llave puede tener un formato diferente (eso depende de cada wallet) Bip 32 como Airbitz con carteras HD, Bip39 como Coinomi, y otras con. Please, use github issues for questions or feedback. BIP-32 explains how master keys and master chain code are created from a BIP-39 seed. Contribute to bip32JP/bip32JP. com/bitcoin/bips/blob/master/bip-0032. BIP32 is a Brainwallet-based implementation for BIP0032 deterministic wallet generation JavaScript 88 55 0 contributions in the last year. fr uses a Commercial suffix and it's server(s) are located in N/A with the IP number 194. Donations welcome at 1KtWutb75LqXrAd4BkcW2hqG7SWab2xJeB. If you need help determining your key from a recovery phrase go. SecureString Last Release on Oct 6, 2018. Enter your BIP39 phrase into the 'BIP39 Phrase' field, or press 'Generate Random Phrase'. The entropy can then be used to derive a hierarchical deterministic wallet given a path, as stated in the BIP-32 spec. BIP: 32: Title: Hierarchical Deterministic Wallets: Author: Pieter Wuille: Status: Draft: Type: Informational: Created: 11-02-2012: ABSTRACT: This document describes hierarchical determinstic wallets (or "HD Wallets"): wallets which can be shared partially or entirely with different systems, each with or without the ability to spend coins. Bitcoin is the currency of the Internet: a distributed, worldwide, decentralized digital money. # Pybitcointools, Python library for Bitcoin signatures and transactions ### Advantages: Functions have a simple interface, inputting and outputting in standard formats. We are using https://github. Typing your own twelve words will probably not work how you expect, since the words require a particular structure (the last word is a checksum). install npm i ripple-bip32 usage. This mode is intended for all bitcoin users. Impressum This website is hosted by Electrum Technologies GmbH Electrum Technologies was founded by Thomas Voegtlin in 2013. The Developer Reference aims to provide technical details and API information to help you start building Bitcoin-based applications, but it is not a specification. These can be generated through BIP 39 style mnemonics for a BIP 32 "HD Wallet". Key scanner Warning, this tool is for fairly advanced Bitcoin users. It can be viewed on Insight here. Donations welcome at 1KtWutb75LqXrAd4BkcW2hqG7SWab2xJeB. (Thus, all parties must be able to generate all public keys) - Transaction creation + signing requires communication between parties, of course. BIP32 defines a serialization format for extended keys. Please do not just create a wiki page. Mnemonic code for generating deterministic keys. The fact-checkers, whose work is more and more important for those who prefer facts over lies, police the line between fact and falsehood on a day-to-day basis, and do a great job. Today, my small contribution is to pass along a very good overview that reflects on one of Trump’s favorite overarching falsehoods. Namely: Trump describes an America in which everything was going down the tubes under  Obama, which is why we needed Trump to make America great again. And he claims that this project has come to fruition, with America setting records for prosperity under his leadership and guidance. “Obama bad; Trump good” is pretty much his analysis in all areas and measurement of U.S. activity, especially economically. Even if this were true, it would reflect poorly on Trump’s character, but it has the added problem of being false, a big lie made up of many small ones. Personally, I don’t assume that all economic measurements directly reflect the leadership of whoever occupies the Oval Office, nor am I smart enough to figure out what causes what in the economy. But the idea that presidents get the credit or the blame for the economy during their tenure is a political fact of life. Trump, in his adorable, immodest mendacity, not only claims credit for everything good that happens in the economy, but tells people, literally and specifically, that they have to vote for him even if they hate him, because without his guidance, their 401(k) accounts “will go down the tubes.” That would be offensive even if it were true, but it is utterly false. The stock market has been on a 10-year run of steady gains that began in 2009, the year Barack Obama was inaugurated. But why would anyone care about that? It’s only an unarguable, stubborn fact. Still, speaking of facts, there are so many measurements and indicators of how the economy is doing, that those not committed to an honest investigation can find evidence for whatever they want to believe. Trump and his most committed followers want to believe that everything was terrible under Barack Obama and great under Trump. That’s baloney. Anyone who believes that believes something false. And a series of charts and graphs published Monday in the Washington Post and explained by Economics Correspondent Heather Long provides the data that tells the tale. The details are complicated. Click through to the link above and you’ll learn much. But the overview is pretty simply this: The U.S. economy had a major meltdown in the last year of the George W. Bush presidency. Again, I’m not smart enough to know how much of this was Bush’s “fault.” But he had been in office for six years when the trouble started. So, if it’s ever reasonable to hold a president accountable for the performance of the economy, the timeline is bad for Bush. GDP growth went negative. Job growth fell sharply and then went negative. Median household income shrank. The Dow Jones Industrial Average dropped by more than 5,000 points! U.S. manufacturing output plunged, as did average home values, as did average hourly wages, as did measures of consumer confidence and most other indicators of economic health. (Backup for that is contained in the Post piece I linked to above.) Barack Obama inherited that mess of falling numbers, which continued during his first year in office, 2009, as he put in place policies designed to turn it around. By 2010, Obama’s second year, pretty much all of the negative numbers had turned positive. By the time Obama was up for reelection in 2012, all of them were headed in the right direction, which is certainly among the reasons voters gave him a second term by a solid (not landslide) margin. Basically, all of those good numbers continued throughout the second Obama term. The U.S. GDP, probably the single best measure of how the economy is doing, grew by 2.9 percent in 2015, which was Obama’s seventh year in office and was the best GDP growth number since before the crash of the late Bush years. GDP growth slowed to 1.6 percent in 2016, which may have been among the indicators that supported Trump’s campaign-year argument that everything was going to hell and only he could fix it. During the first year of Trump, GDP growth grew to 2.4 percent, which is decent but not great and anyway, a reasonable person would acknowledge that — to the degree that economic performance is to the credit or blame of the president — the performance in the first year of a new president is a mixture of the old and new policies. In Trump’s second year, 2018, the GDP grew 2.9 percent, equaling Obama’s best year, and so far in 2019, the growth rate has fallen to 2.1 percent, a mediocre number and a decline for which Trump presumably accepts no responsibility and blames either Nancy Pelosi, Ilhan Omar or, if he can swing it, Barack Obama. I suppose it’s natural for a president to want to take credit for everything good that happens on his (or someday her) watch, but not the blame for anything bad. Trump is more blatant about this than most. If we judge by his bad but remarkably steady approval ratings (today, according to the average maintained by 538.com, it’s 41.9 approval/ 53.7 disapproval) the pretty-good economy is not winning him new supporters, nor is his constant exaggeration of his accomplishments costing him many old ones). I already offered it above, but the full Washington Post workup of these numbers, and commentary/explanation by economics correspondent Heather Long, are here. On a related matter, if you care about what used to be called fiscal conservatism, which is the belief that federal debt and deficit matter, here’s a New York Times analysis, based on Congressional Budget Office data, suggesting that the annual budget deficit (that’s the amount the government borrows every year reflecting that amount by which federal spending exceeds revenues) which fell steadily during the Obama years, from a peak of $1.4 trillion at the beginning of the Obama administration, to $585 billion in 2016 (Obama’s last year in office), will be back up to $960 billion this fiscal year, and back over $1 trillion in 2020. (Here’s the New York Times piece detailing those numbers.) Trump is currently floating various tax cuts for the rich and the poor that will presumably worsen those projections, if passed. As the Times piece reported: