Contribute to bitcoin/bitcoin development by creating an account on GitHub. See the documentation at the Bitcoin Wiki for help and more information. Ask for. Bitcoin Core documentation is spread across three projects: Bitcoin Core, the Bitcoin Wiki, and btccashwiki.com—and is further subdivided into different parts. Developer Documentation. Find useful resources, guides and reference material for developers. facebook twitter. Bank icon. For example, as described above, each transaction bitcoin binary trading a version number—if users started arbitrarily changing the version number, it would become useless as a tool for bitcoiin backwards-incompatible features. The pong message replies to a ping message source, proving to the pinging node that the ponging node is still alive. The wallet directory or. In multisig pubkey scriptscalled m-of-nm is the minimum number of signatures which must match a public key ; n is the number of public keys being provided. The getaddr message requests an addr message from the receiving nodepreferably one with lots of IP addresses of other receiving nodes. If the requested block is too old, the node responds with a full non-compact block.