- Bitcoin core https://github.com/bitcoin/bitcoin
- Bitcoin Unlimited https://github.com/BitcoinUnlimited/BitcoinUnlimited
- Bitcoin Classic https://github.com/bitcoinclassic/bitcoinclassic
- Bitcoin XT https://github.com/bitcoinxt/bitcoinxt
- Bitcoin abc https://github.com/Bitcoin-ABC/bitcoin-abc
- libbitcoin https://github.com/libbitcoin/libbitcoin
- bitprim https://github.com/bitprim
- btcd https://github.com/btcsuite/btcd
- gocoin https://github.com/piotrnar/gocoin
- Copernicus https://github.com/btcboost/copernicus
- 精通比特币 http://book.8btc.com/books/6/masterbitcoin2cn/_book/
- Mastering Bitcoin https://github.com/bitcoinbook/bitcoinbook
- http://www.8btc.com/segregated-witness
- https://github.com/bitcoin/bips/blob/master/bip-0144.mediawiki
- https://github.com/jl2012/bips/blob/spoonnet/bip-extheader.mediawiki
- https://github.com/tothemoon-org/extension-blocks/blob/master/spec.md
- https://bitcointalk.org/index.php?topic=283746.0
- https://www.mail-archive.com/[email protected]&q=subject:%22Re%5C%3A+%5C%5Bbitcoin%5C-dev%5C%5D+Extension+block+proposal+by+Jeffrey+et+al%22&o=newest