BIPs bitcoin improvement proposals

137 - Signatures of Messages using Private Keys

<pre> BIP: 137 Layer: Applications Title: Signatures of Messages using Private Keys Author: Christopher Gilliard <christopher.gilliard@gmail.com> Comments-Summary: No comments yet. Comments-URI: https://github.com/bitcoin/bips/wiki/Comments:BIP-0137 Status: Final Type: Standards Track Created: 2019-02-16 License: BSD-2-Clause </pre> ==Abstract== This document describes a signature format for signing messages with Bitcoin private keys. The specification is intended to describe the standard for signatures of messages that can be signed and verfied between different clients that exist in the field today. Note: that a new signature format has been defined which has a number of advantages over this BIP, but to be backwards compatible with existing implementations this BIP will be useful. See BIP 322 [1] for full details on the new signature scheme. One of the key problems in this area is that there are several different types of Bitcoin addresses and without introduc...