Bitcoin Optech newsletter #355 is here: - summarizes changes to services/client software - LND 0.19.0-beta, Core Lightning 25.05rc1 releases - Optech Newsletter #355 Recap Podcast Changes to services and client software: - Cake Wallet added payjoin v2 support - Sparrow adds pay-to-anchor features - Safe Wallet 1.3.0 released - COLDCARD Q v1.3.2 released - Transaction batching using payjoin - JoinMarket Fidelity Bond Simulator - Bitcoin opcodes documented - Bitkey code open sourced Bitcoin Optech will host an audio recap discussion of this newsletter on Riverside.fm Tuesday at 16:30 UTC. Join us to discuss or ask questions!
Yesterday @Murch @schmidty spoke with Eugene Siegel, Chris Stewart, Bram Cohen, and Robin Linus: - A disclosed Bitcoin Core vulnerability - 64 bit arithmetic draft BIP - A new approach to recursive covenants - BitVM benefits from CTV and CSFS - And more Catch up:
Bitcoin Optech newsletter #354 is here: - describes a fixed vulnerability affecting old versions of Bitcoin Core - Changing consensus covering: 64-bit arithmetic in Script, Proposed opcodes for enabling recursive covenants through quines, benefits to BitVM from OP_CTV and OP_CSFS - Optech Newsletter #354 Recap Podcast Antoine Poinsot posted to the Bitcoin-Dev mailing list to announce a vulnerability affecting Bitcoin Core versions before 29.0... Chris Stewart posted a draft BIP to the Bitcoin-Dev mailing list that proposes upgrading Bitcoin’s existing opcodes to operate on 64-bit numeric values... Bram Cohen posted to Delving Bitcoin to suggest a set of simple opcodes that would enable the creation of recursive covenants through self-reproducing scripts (quines)... Robin Linus posted to Delving Bitcoin about several of the improvements to BitVM that would become possible if the proposed OP_CTV and OP_CSFS opcodes were added to Bitcoin in a soft fork... Bitcoin Optech will host an audio recap discussion of this newsletter on Riverside.fm Tuesday at 16:30 UTC. Join us to discuss or ask questions!
Earlier this week @Murch and @schmidty discussed Newsletter #353 with Ruben Somsen, Salvatore Ingala, and Stéphan Vuylsteke: - BIP30 consensus failure vulnerability - Avoiding BIP32 path reuse - Bitcoin Core’s multiprocess project - And more… Catch up:
Earlier this week @Murch and @Sjors Provoost discussed Newsletter #352: - Cluster linearization techniques for cluster mempool - Increasing or removing Bitcoin Core’s OP_RETURN size limit - Bitcoin Core removing legacy wallets - And more... Catch up:
Bitcoin Optech newsletter #352 is here: - links to comparisons between different cluster linearization techniques - briefly summarizes discussion about increasing or removing Bitcoin Core’s OP_RETURN size limit - Optech Newsletter #352 Recap Pieter Wuille posted to Delving Bitcoin about some of the fundamental tradeoffs between three different cluster linearization techniques, following up with benchmarks of implementations of each... In a thread on Bitcoin-Dev, several developers discussed changing or removing Bitcoin Core’s default limit for OP_RETURN data carrier outputs. A subsequent Bitcoin Core pull request saw additional discussion... Bitcoin Optech will host an audio recap discussion of this newsletter on Riverside.fm Tuesday at 16:30 UTC. Join us to discuss or ask questions!