93 - codex32
BIP: 93 source 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 Table of ContentsIntroductionAbstractCopyrightMotivationSpecificationcodex32ChecksumError CorrectionUnshared SecretRecovering Master SeedGenerating SharesFor a fresh master seedFor an existing master seedLong codex32 StringsRationaleNot BIP-0039 EntropyBackwards CompatibilityReference ImplementationTest VectorsTest vector 1Test vector 2Test vector 3Test vector 4Test vector 5Invalid test vectorsAppendixMathematical Companion Introduction Abstract This document describes a standard for backing up and restoring the master seed of a BIP-0032 hierarchical deterministic wallet, ...
372 - Pay-to-contract tweak fields for PSBT
BIP: 372 source Layer: Applications Title: Pay-to-contract tweak fields for PSBT Author: Maxim Orlovsky Discussions-To: Comments-URI: https://github.com/bitcoin/bips/wiki/Comments:BIP-0372 Status: Draft Type: Standards Track Created: 2022-01-16 License: BSD-2-Clause Requires: BIP-174 Table of ContentsIntroductionAbstractCopyrightBackgroundMotivationDesignSpecificationSecurity considerationsRationaleCompatibilityReference implementationAcknowledgementsTest vectorsReferences Introduction Abstract This document proposes additional fields for BIP 174 PSBTv0 and BIP 370 PSBTv2 that allow for pay-to-contract key tweaking data data to be included in a PSBT of any version. These will represent an extra-transaction information required for the signer to produce valid signatures spending previous outputs. Copyright This BIP is licensed under the 2-clause BSD license. Background Key tweaking is a procedure for creating a cryptographic commitment to some message using el...
322 - Generic Signed Message Format
BIP: 322 source Layer: Applications Title: Generic Signed Message Format Author: Karl-Johan Alm Comments-Summary: No comments yet. Comments-URI: https://github.com/bitcoin/bips/wiki/Comments:BIP-0322 Status: Draft Type: Standards Track Created: 2018-09-10 License: CC0-1.0 Table of ContentsAbstractMotivationTypes of SignaturesLegacySimpleFullFull (Proof of Funds)Detailed SpecificationVerificationVerification ProcessSigningCompatibilityReference implementationAcknowledgementsReferencesCopyrightTest vectorsMessage hashingMessage signingTransaction Hashes Abstract A standard for interoperable signed messages based on the Bitcoin Script format, either for proving fund availability, or committing to a message as the intended recipient of funds sent to the invoice address. Motivation The current message signing standard only works for P2PKH (1...) invoice addresses. We propose to extend and generalize the standard by using a Bitcoin Script based approach. This ensures tha...