Network Protocol Version History

Version Number Proposed In Summary
106 ??? Added the following fields to the version message: address-from, nonce, user-agent, current block height
209 ??? address message may accept a list of network addresses.
31 402 ??? Time field added to address messages.
BIP-0014 Network Version decoupled from Block Version. User-agent replaced sub-version number.
60 000 BIP-0031 Added pong.
70 001 BIP-0037 Added relay flag to the version message.