Node software and alternative implementations
Bitcoin Core is not the only node, and the list has never agreed on whether that is good: libbitcoin, btcd, bitcoinj, bcoin, Knots and the rest, and the recurring idea of a consensus library everyone could share.
114 threads and 792 messages, 27 Jun 2011 to 15 Oct 2026.
Read on LearnBitcoin
The threads, in order
Listed by the date of each thread's first message.
2011 8 threads
- BitCoinJ v0.2 Mike Hearn2 messages
- libbitcoin Amir Taaki1 message
- Roadmap/schedules Gavin Andresen8 messages
- Building a node crawler to map network Steve Shadders10 messages
- bitcoind multiplexing proxy - request/response routing problem Steve diy-eco-life4 messages
- Lock protocol version numbers Amir Taaki17 messages
- BIP 14 - Protocol Version and User Agent Amir Taaki5 messages
- BitCoinJ 0.3 Mike Hearn1 message
2012 10 threads
- ECC Signature Issue Brautigam Róbert4 messages
- getmemorypool BIP process Luke Dashjr10 messages
- BitCoinJ 0.4 Mike Hearn1 message
- BIP 33 - Stratized Nodes Amir Taaki6 messages
- BitCoinJ 0.5 released Mike Hearn1 message
- Electrum mailing list Amir Taaki1 message
- BIP 35: add mempool message Jeff Garzik13 messages
- bitcoinj 0.6 now available Mike Hearn1 message
- Electrum security model concerns Greg Maxwell10 messages
- Testnet3 difficulty transition problem? Andreas Schildbach3 messages
2013 13 threads
- bitcoinj 0.7 released Mike Hearn1 message
- 1 message
- Integration testing for BitCoin Adam Ritter6 messages
- bitcoinj 0.8 Mike Hearn3 messages
- bitcoinj 0.9 Mike Hearn1 message
- 47 messages
- Introducing BitcoinKit.framework Wendell34 messages
- Tor and Bitcoin Bazyli Zygan9 messages
- bitcoinj 0.10 Mike Hearn1 message
- BIP 32.5 Greg Maxwell5 messages
- 7 messages
- Electrum version 1.9 Thomas Voegtlin1 message
- Peer Discovery and Overlay Jeremy Spilman5 messages
2014 13 threads
- Extension for BIP-0070 to support recurring payments Stephane Brossier25 messages
- 12 messages
- 8 messages
- Electrum 1.9.8 release Thomas Voegtlin5 messages
- Bug in 2-of-3 transaction signing in Bitcoind? Matt Whitlock10 messages
- NODE_BLOOM service bit Peter Todd20 messages
- Plans to separate wallet from core Jorge Timón19 messages
- BIP 38 NFC normalisation issue Mike Hearn22 messages
- Bitcoin development (testing & where to get Wallet code) Caleb Roger Davis5 messages
- 2 messages
- How to create a pull tester JAR Mike Hearn6 messages
- bitcoinj 0.12 Mike Hearn6 messages
- Cartographer Mike Hearn8 messages
2015 11 threads
- On Rewriting Bitcoin (was Re: [Libbitcoin] Satoshi client: is a fork past 0.10 possible?) Peter Todd23 messages
- Electrum 2.0 has been tagged Thomas Voegtlin42 messages
- Making Electrum more anonymous Thomas Voegtlin16 messages
- 28 messages
- Electrum Server Speed Test Slurms MacKenzie7 messages
- Wrapping up the block size debate with voting Johnson Lau10 messages
- Future Of Bitcoin-Cores Wallet Jonas Schnelli4 messages
- Revisiting NODE_BLOOM: Proposed BIP Matt Corallo30 messages
- 2 messages
- libconsensus and bitcoin development process Jeff Garzik14 messages
- 3 messages
2016 4 threads
- Libconsensus phase 2 Jorge Timón4 messages
- 1 message
- Bitcoin Knots 0.13.0.knots20160814 released Luke Dashjr1 message
- 1 message
2017 5 threads
- 2 messages
- 1 message
- Bitcoin Knots 0.15.0.knots20170914 released Luke Dashjr1 message
- Optimization of Codes for Electrum Daryl - .1 message
- Electrum 3.0 release Thomas Voegtlin1 message
2018 7 threads
- JSONRPC vulnerability in Electrum 2.6 to 3.0.4 Thomas Voegtlin1 message
- Electrum Personal Server alpha release Chris Belcher2 messages
- Electrum Personal Server beta release Chris Belcher1 message
- BloomFilter issue with segwit addresses Andreas Schildbach7 messages
- Miner dilution attack on Bitcoin - is that something plausible? Артём Литвинович7 messages
- 2 messages
- 3 messages
2019 3 threads
- bitcoinj 0.15 (segwit) Andreas Schildbach1 message
- Bitcoin Knots 0.18.0.knots20190502 released Luke Dashjr1 message
- v3 onion services Mr. Lee Chiffre9 messages
2020 5 threads
- Bitcoin Knots 0.19.0.1.knots20200104 released Luke Dashjr1 message
- Bitcoin Knots 0.19.1.knots20200304 released Luke Dashjr1 message
- Statechain implementations Tom Trevethan25 messages
- Bitcoin Knots 0.20.0.knots20200614 released Luke Dashjr1 message
- Bitcoin Knots 0.20.1.knots20200815 released Luke Dashjr1 message
2021 8 threads
- Bitcoin Knots 0.21.0.knots20210130 released Luke Dashjr1 message
- 1 message
- Bitcoin Knots 0.21.1.knots20210629 released Luke Dashjr1 message
- bitcoin-java, a new bitcoin library Humberto Marcolino4 messages
- BIP341 test vectors for wallet implementations Pieter Wuille1 message
- Bitcoin Knots 22.0.knots20211108 released Luke Dashjr1 message
- 5 messages
- 1 message
2022 4 threads
- MuSig2 BIP Jonas Nick15 messages
- Transcript: Carl Dong on libbitcoinkernel Michael Folkson1 message
- Bitcoin Knots 23.0.knots20220529 released Luke Dashjr1 message
- Packaged Transaction Relay Eric Voskuil16 messages
2023 3 threads
- A new Bitcoin implementation integrated with Core Lightning Michael Folkson11 messages
- 3 messages
- Announcing Libforesta Davidson Souza5 messages
2024 8 threads
- Great Consensus Cleanup Revival Antoine Poinsot33 messages
- Utreexod beta release Calvin Kim1 message
- 1 message
- Bitcoin Knots 27.1.knots20240621 released Luke Dashjr1 message
- Bitcoin Knots 27.1.knots20240801 released Luke Dashjr1 message
- 6 messages
- On Libbitcoinkernel Readyness Antoine Riard1 message
- 3 messages
2025 9 threads
- Bitcoin Knots 28.1.knots20250305 released Luke Dashjr1 message
- Removing checkpoints in Bitcoin Core v30 Sjors Provoost3 messages
- 4 messages
- Feedbacks on libbitcoinkernel & bitcoin backbone Antoine Riard1 message
- FROST CLI + BDK CLI Demo Christopher Allen1 message
- Bitcoin Knots 29.1.knots20250903 released Luke Dashjr1 message
- Bitcoin Knots 29.2.knots20251010 released Luke Dashjr1 message
- 1 message
- Reducing RAM requirements with dynamic dust uuowwpevskfcordh5 messages
2026 3 threads
- New bitcoin backbone code release: BIP152, outbound tx support + libbitcoinkernel API feedbacks Antoine Riard1 message
- 7 messages
- P2P UTXO Set Sharing Fabian30 messages