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 https://bitcoinops.org/en/newsletters/2026/06/05/ Olaoluwa Osuntokun posted to the Bitcoin-Dev mailing list his thoughts on possible upgrades needed to make BIP324 quantum secure... https://bitcoinops.org/en/newsletters/2026/06/05/#a-post-quantum-path-for-bip324 Pyth posted to Delving Bitcoin a proposal to standardize the data payloads exchanged between wallet coordinators and air-gapped signing devices over QR codes when using miniscript-based spending policies... https://bitcoinops.org/en/newsletters/2026/06/05/#discussion-of-qr-signing-payloads-for-miniscript-wallets Ademan announced on Delving Bitcoin the 0.1.0 release of his CTV (BIP119) vault project called MCCV (More Complicated CTV Vault)... https://bitcoinops.org/en/newsletters/2026/06/05/#ctv-only-vault-proof-of-concept Olaoluwa Osuntokun (roasbeef) posted to Delving Bitcoin a breakdown of how a post-quantum Lightning Network might look... https://bitcoinops.org/en/newsletters/2026/06/05/#post-quantum-lightning-discussion Jameson Lopp posted to Delving Bitcoin his blog post about the game theory of a quantum attack... https://bitcoinops.org/en/newsletters/2026/06/05/#quantum-attack-game-theory Jeremy Rubin wrote to the Bitcoin-Dev mailing list about potential legitimate uses for 64-byte witness-stripped transactions... https://bitcoinops.org/en/newsletters/2026/06/05/#bip54-64-byte-transactions-and-potential-legitimate-uses Bitcoin Optech will host an audio recap discussion of this newsletter streaming live on X/Twitter Tuesday at 16:30 UTC.   submitted by   /u/bitschmidty [link]   [comments]