Bitcoin Optech

This week’s newsletter links to a discussion of updates to BIP322’s generic signed message format and describes an idea to use TCP hole punching to help Bitcoin nodes behind NATs accept inbound

This week’s newsletter describes possible solutions to node fingerprinting and links to discussion of using public fraud proofs to improve incentives around just-in-time channels. Also included are

Gustavo Flores Echaiz and Brandon Black are joined by Olaoluwa Osuntokun to discuss Newsletter #403.

This week’s newsletter describes research around using binary fuse filters as an alternative to the GCS used in compact block filters. Also included are our regular sections summarizing proposals

Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by Remix7531 and Luis Schwab to discuss Newsletter #401.

This week’s newsletter describes an idea for nested MuSig2 Lightning nodes and summarizes a project formally verifying secp256k1’s modular scalar multiplication. Also included are our regular

This week’s newsletter describes how wallet fingerprinting can damage payjoin privacy and summarizes a proposal for a wallet backup metadata format. Also included are our regular sections