Codex32 Comes to Bitcoin Core: The Case for Paper-Based Wallet Backups
Bitcoin Core pull request #33043 proposes adding support for Codex32, a paper-based wallet backup scheme that lets users create, verify, and split seed backups using only pen, paper, and lookup tables. Unlike BIP39, Codex32 supports hand-computable checksums, Shamir secret sharing, and error correction without requiring electronics.
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