Bitcoin Optech newsletter #402 is here:
- describes work on a declarative executable specification of consensus rules
- summarizes a discussion about onion message jamming in the Lightning Network
- summarizes popular Q&A from Stack Exchange
- Optech Newsletter #402 Podcast
https://bitcoinops.org/en/newsletters/2026/04/24/
Toby Sharp posted to Delving Bitcoin and the Bitcoin-Dev mailing list an update on the Hornet node project...
https://bitcoinops.org/en/newsletters/2026/04/24/#hornet-node-s-declarative-executable-specification-of-bitcoin-consensus-rules
Erick Cestari posted to Delving Bitcoin about the onion message jamming problem affecting the Lightning Network...
https://bitcoinops.org/en/newsletters/2026/04/24/#onion-message-jamming-in-the-lightning-network
Selected Q&A from Bitcoin Stack Exchange
- Why did BIP342 replace CHECKMULTISIG with a new opcode, instead of just removing FindAndDelete from it?
- Does SIGHASH_ANYPREVOUT commit to the tapleaf hash or the full taproot merkle path?
- What does the BIP86 tweak guarantee in a MuSig2 Lightning channel, beyond address format?
https://bitcoinops.org/en/newsletters/2026/04/24/#selected-qa-from-bitcoin-stack-exchange
Bitcoin Optech will host an audio recap discussion of this newsletter streaming live on X/Twitter Tuesday at 16:30 UTC.
Bitcoin Optech
npub1hk…a432p
2026-04-24 15:12:51 UTC
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2026-04-24 15:12:51 UTCEvent JSON
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"content": "Bitcoin Optech newsletter #402 is here:\n\n- describes work on a declarative executable specification of consensus rules\n- summarizes a discussion about onion message jamming in the Lightning Network\n- summarizes popular Q\u0026A from Stack Exchange\n- Optech Newsletter #402 Podcast\nhttps://bitcoinops.org/en/newsletters/2026/04/24/\n\nToby Sharp posted to Delving Bitcoin and the Bitcoin-Dev mailing list an update on the Hornet node project...\nhttps://bitcoinops.org/en/newsletters/2026/04/24/#hornet-node-s-declarative-executable-specification-of-bitcoin-consensus-rules\n\nErick Cestari posted to Delving Bitcoin about the onion message jamming problem affecting the Lightning Network...\nhttps://bitcoinops.org/en/newsletters/2026/04/24/#onion-message-jamming-in-the-lightning-network\n\nSelected Q\u0026A from Bitcoin Stack Exchange\n- Why did BIP342 replace CHECKMULTISIG with a new opcode, instead of just removing FindAndDelete from it?\n- Does SIGHASH_ANYPREVOUT commit to the tapleaf hash or the full taproot merkle path?\n- What does the BIP86 tweak guarantee in a MuSig2 Lightning channel, beyond address format?\nhttps://bitcoinops.org/en/newsletters/2026/04/24/#selected-qa-from-bitcoin-stack-exchange\n\nBitcoin Optech will host an audio recap discussion of this newsletter streaming live on X/Twitter Tuesday at 16:30 UTC.",
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