93 - codex32
BIP: 93 Layer: Applications Title: codex32: Checksummed SSSS-aware BIP32 seeds Author: Leon Olsson Curr and Pearlwort Sneed Andrew Poelstra Comments-URI: https://github.com/bitcoin/bips/wiki/Comments:BIP-0093 Status: Draft Type: Informational Created: 2023-02-13 License: BSD-3-Clause Post-History: https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2023-February/021469.html ==Introduction== ===Abstract=== This document describes a standard for backing up and restoring the master seed of a [https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki BIP-0032] hierarchical deterministic wallet, using Shamir's secret sharing. It includes an encoding format, a BCH error-correcting checksum, and algorithms for share generation and secret recovery. Secret data can be split into up to 31 shares. A minimum threshold of shares, which can be between 1 and 9, is needed to recover the secret, whereas without sufficient shares, no information about the secret i...