We provide weekly newsletters, workshops, case studies, and research for the #Bitcoin community.

Joined June 2018
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Bitcoin Optech will host an audio recap discussion of this newsletter streaming live on X/Twitter Tuesday at 16:30 UTC.
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Bitcoin Optech retweeted
Pyth (@pythcoiner) and Ademan (@Ademan555) joined Optech to discuss Newsletter #408: News ● A post-quantum path for BIP324 (37:15) ● Discussion of QR signing payloads for miniscript wallets (1:27) Changing consensus ● CTV-only vault proof of concept (13:08) ● Post-quantum Lightning discussion (43:41) ● Quantum attack game theory (47:24) ● BIP54 64-byte transactions and potential legitimate uses (49:15) Releases and release candidates ● Core Lightning 26.06 (1:11:15) Notable code and documentation changes ● Bitcoin Core #35269 (1:15:42) ● Bitcoin Core #34644 (1:20:45) ● Bitcoin Core #34198 (1:22:21) ● LND #10813 (1:26:32) ● Rust Bitcoin #6250 (1:28:05) ● BOLTs #1338 (1:36:06) ● BOLTs #1326 (1:37:23)
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Welcome to our live show! x.com/i/broadcasts/1OxwbbpWB…

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Bitcoin Optech newsletter #408 is here: - summarizes ideas to make BIP324 transport encryption quantum secure - describes a proposal to standardize QR-based signing payloads for miniscript wallets - links to a CTV-only vault proof of concept - outlines points from a post-quantum Lightning thread - summarizes a quantum attack game theory post - points to discussion of 64-byte transactions and potential uses - Optech Newsletter #408 Podcast
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Bitcoin Optech will host an audio recap discussion of this newsletter streaming live on X/Twitter Tuesday at 16:30 UTC.
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Chandra Pratap joined Optech to discuss Newsletter #407: News ● Core Lightning assertion DoS disclosure (0:47) ● Bitcoin Core developer meeting transcripts (14:34) Releases and release candidates ● Eclair v0.14.0 (20:30) ● Core Lightning 26.06rc2 (23:01) Notable code and documentation changes ● Bitcoin Core #33966 (24:14) ● Bitcoin Core #34917 (28:04) ● Bitcoin Core #35017 (30:52) ● BIPs #1944 (35:25) ● BIPs #2108 (36:14) ● Eclair #3192 (39:28) ● LDK #4584 (40:28) ● LDK #4628 (41:27) ● LND #10552 (43:35) ● LND #10820 (48:52)
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Bitcoin Optech newsletter #407 is here: - announces the responsible disclosure of a vulnerability that allowed a remote peer to crash Core Lightning nodes - links to transcripts from a recent Bitcoin Core developer meeting - Optech Newsletter #407 Podcast bitcoinops.org/en/newsletter…
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Many Bitcoin Core developers met in person in May, and transcripts from the meeting have been published. Topics included SwiftSync, post-cluster mempool, an Erlay redesign, package relay, silent payments, TCP hole punching, private broadcast, a modern crypto library, and mutation testing, among others... bitcoinops.org/en/newsletter…
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Bitcoin Optech will host an audio recap discussion of this newsletter streaming live on X/Twitter Tuesday at 16:30 UTC.
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