Bitcoin full node and query server

Mar 4, 2026

View in context in the libbitcoin Slack #general mirror.

evoskuil19:45

I haven't actually done this in at least 5 years, since the current v4 architectural work began... but I took a few minutes today to total up lines of code. I excluded obsolete v4 libs (protocol, blockchain, client).

https://ghloc.vercel.app/libbitcoin/libbitcoin-system?branch=master    188,314
https://ghloc.vercel.app/libbitcoin/libbitcoin-database?branch=master   41,925
https://ghloc.vercel.app/libbitcoin/libbitcoin-network?branch=master   629,718
https://ghloc.vercel.app/libbitcoin/libbitcoin-node?branch=master       20,371
https://ghloc.vercel.app/libbitcoin/libbitcoin-server?branch=master    153,149
                                                                     1,033,477

https://ghloc.vercel.app/libbitcoin/libbitcoin-build?branch=master      30,380
                                                                     1,063,857

https://ghloc.vercel.app/libbitcoin/libbitcoin-explorer?branch=master   64,764
                                                                     1,128,621

So server is over 1 million loc, mostly c++ (cpp/hpp/ipp).