EPISODE · Oct 26, 2023 · 1H 27M
Bitcoin Optech: Newsletter #274 Recap
from Bitcoin Optech Podcast · host Bitcoin Optech
Mark “Murch” Erhardt and Mike Schmidt are joined by Bastien Teinturier, Fabian Jahr, Ethan Heilman, and Armin Sabouri to discuss Newsletter #274. News Replacement cycling vulnerability against HTLCs (1:40) Bitcoin UTXO set summary hash replacement (24:21) Research into generic covenants with minimal Script language changes (40:02) Proposed BIP for OP_CAT (45:38) Selected Q&A from Bitcoin Stack Exchange How does the Branch and Bound coin selection algorithm work? (52:17) Why is each transaction broadcast twice in the Bitcoin network? (54:29) Why are OP_MUL and OP_DIV disabled in Bitcoin? (56:57) Why are hashSequence and hashPrevouts computed separately? (58:56) Why does Miniscript add an extra size check for hash preimage comparisons? (59:52) How can the next block fee be less than the mempool purging fee rate? (1:00:51) Releases and release candidates Bitcoin Core 25.1 (1:12:00) Bitcoin Core 24.2 (1:12:00) Bitcoin Core 26.0rc1 (1:14:23)
What this episode covers
Mark “Murch” Erhardt and Mike Schmidt are joined by Bastien Teinturier, Fabian Jahr, Ethan Heilman, and Armin Sabouri to discuss Newsletter #274. News Replacement cycling vulnerability against HTLCs (1:40) Bitcoin UTXO set summary hash replacement (24:21) Research into generic covenants with minimal Script language changes (40:02) Proposed BIP for OP_CAT (45:38) Selected Q&A from Bitcoin Stack Exchange How does the Branch and Bound coin selection algorithm work? (52:17) Why is each transaction broadcast twice in the Bitcoin network? (54:29) Why are OP_MUL and OP_DIV disabled in Bitcoin? (56:57) Why are hashSequence and hashPrevouts computed separately? (58:56) Why does Miniscript add an extra size check for hash preimage comparisons? (59:52) How can the next block fee be less than the mempool purging fee rate? (1:00:51) Releases and release candidates Bitcoin Core 25.1 (1:12:00) Bitcoin Core 24.2 (1:12:00) Bitcoin Core 26.0rc1 (1:14:23)
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Bitcoin Optech: Newsletter #274 Recap
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