Earlier today, Murch and Calm Hamster were joined by Carla Kirk-Cohen, Joost Jager, and Elias Rohrer to discuss #356: - Attributable failures and LN privacy - Several P2P and policy questions from the Bitcoin Stack Exchange - And more! Catch up: bitcoinops.org/en/podcast/2025/06/03

Last week Dave Harding was joined by Alex Myers and Rodolfo Novak to discuss Newsletter #355: - Cake Wallet, Sparrow, Safe Wallet, COLDCARD, tx batching using payjoin, JoinMarket fidelity bonds, Bitcoin opcode documentation, Bitkey open sourced - LND and CLN releases - Bitcoin Core, CLN and LND PRs Cabitcoinops.org/en/podcast/2025/05/27

Bitcoin Optech newsletter #356 is here: - summarizes a discussion about the possible effects of attributable failures on LN privacy - summarizes popular Q&A from Stack Exchange - adds an attributable failures topic - Optech Newsletter #356 Recap Podcast bitcoinops.org/en/newsletters/2025/05/30 Carla Kirk-Cohen posted to Delving Bitcoin an analybitcoinops.org/en/newsletters/2025/05/30/#do-attributable-failures-reduce-ln-privacy Selected Q&A from Bitcoin Stack Exchange: - Which bitcoinops.org/en/newsletters/2025/05/30/#selected-qa-from-bitcoin-stack-exchange Attributable failures are LN payment forwarding faibitcoinops.org/en/topics/attributable-failures Bitcoin Optech will host an audio recap discussion riverside.fm/studio/bitcoin-optech

Yesterday Murch Calm Hamster 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: bitcoinops.org/en/podcast/2025/05/20

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 Rbitcoinops.org/en/newsletters/2025/05/16 bitcoinops.org/en/newsletters/2025/05/16/#vulnerability-disclosure-affecting-old-versions-of-bitcoin-core bitcoinops.org/en/newsletters/2025/05/16/#proposed-bip-for-64-bit-arithmetic-in-script bitcoinops.org/en/newsletters/2025/05/16/#proposed-opcodes-for-enabling-recursive-covenants-through-quines bitcoinops.org/en/newsletters/2025/05/16/#description-of-benefits-to-bitvm-from-op-ctv-and-op-csfs riverside.fm/studio/bitcoin-optech

Earlier this week Murch and Calm Hamster 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: bitcoinops.org/en/podcast/2025/05/13

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: bitcoinops.org/en/podcast/2025/05/06

Bitcoin Optech newsletter #353 is here: - describes a recently discovered theoretical consensus failure vulnerability - links to a proposal to avoid reuse of BIP32 wallet paths - recaps the "Add bitcoin wrapper executable" PR Review Meeting - Optech Newsletter #353 Recap bitcoinops.org/en/newsletters/2025/05/09 Ruben Somsen posted to the Bitcoibitcoinops.org/en/newsletters/2025/05/09/#bip30-consensus-failure-vulnerability Kevin Loaec posted to Delving Bitbitcoinops.org/en/newsletters/2025/05/09/#avoiding-bip32-path-reuse "Add bitcoin wrapper executable" bitcoinops.org/en/newsletters/2025/05/09/#bitcoin-core-pr-review-club Bitcoin Optech will host an audioriverside.fm/studio/bitcoin-optech

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 bitcoinops.org/en/newsletters/2025/05/02 Pieter Wuille posted to Delving Bitcoin about some of the fundabitcoinops.org/en/newsletters/2025/05/02/#comparison-of-cluster-linearization-techniques In a thread on Bitcoin-Dev, several developers discussed changibitcoinops.org/en/newsletters/2025/05/02/#increasing-or-removing-bitcoin-core-s-op-return-size-limit Bitcoin Optech will host an audio recap discussion of this newsriverside.fm/studio/bitcoin-optech