Bitcoin Optech Newsletter #368 is here: - summarizes a draft BIP for block template sharing between full nodes - announces a library that allows trusted delegation of script evaluation - summarizes changes to services/client software - Optech Newsletter #368 Podcast Anthony Towns posted to the Bitcoin-Dev mailing list the draft of a BIP for how nodes can communicate to their peers the transactions they would attempt to mine in their next block... Josh Doman posted to Delving Bitcoin about a library he’s written that uses a trusted execution environment (TEE) that will only sign a taproot keypath spend if the transaction containing that spend satisfies a script... Changes to services and client software: - ZEUS v0.11.3 released - Rust Utreexo resources - Peer-observer tooling and call to action - Bitcoin Core Kernel-based node announced - SimplicityHL released - LSP plugin for BTCPay Server - Proto mining hardware and software announced - Oracle resolution demo using CSFS - Relai adds taproot support Bitcoin Optech will host an audio recap discussion of this newsletter on Riverside.fm Tuesday at 16:30 UTC. Join us to discuss or ask questions!
Bitcoin Optech Newsletter #367 is here: - LND v0.19.3-beta.rc1 - Bitcoin Core 29.1rc1 - Optech Newsletter #367 Podcast Bitcoin Optech will host an audio recap discussion of this newsletter on Riverside.fm Tuesday at 16:30 UTC. Join us to discuss or ask questions!
Gloria Zhao and Mike Schmidt were joined by Tadge Dryja and Anthony Towns to discuss Newsletter #366: - Draft BIPs proposed for Utreexo - Continued discussion about lowering the minimum relay feerate - Peer block template sharing to mitigate problems with divergent mempool policies - A watch only wallet PR Review Club - And more You can listen on our website: Fountain: Spotify: Apple Podcasts:
David Gumberg, Lauren Shareshian, Jameson Lopp, Steven Roose, and Tim Ruffing joined Optech to discuss Newsletter #365: - Compact block prefilling - Mempool-based fee estimation - Migration from quantum-vulnerable outputs - The OP_TEMPLATEHASH proposal - Proposal to allow longer relative timelocks - Security against quantum computers with taproot as a commitment scheme - And more You can listen on our website: Spotify: Apple Podcasts:
Matt Morehouse and Jesse Posner (@jesseposner) joined Optech to discuss Newsletter #364: News 0:53 LND gossip filter DoS vulnerability 15:16 Chain code withholding for multisig scripts 38:46 Research indicates common Bitcoin primitives are compatible with quantum-resistant signature algorithms Selected Q&A from Bitcoin Stack Exchange 57:36 How does Bitcoin Core handle reorgs larger than 10 blocks? 1:01:29 Advantages of a signing device over an encrypted drive? 1:03:21 Spending a taproot output through the keypath and scriptpath? Releases and release candidates 1:04:26 Libsecp256k1 v0.7.0 Notable code and documentation changes 1:05:16 Bitcoin Core #32521 1:15:00 Bitcoin Core #31829 1:19:51 LDK #3801 1:21:11 LDK #3842 1:21:57 BIPs #1890 1:23:53 BOLTs #1232
Bitcoin Optech newsletter #364 is here: - summarizes a vulnerability affecting old versions of LND - describes an idea for improving privacy when using co-signer services - examines the impact of switching to quantum-resistant signature algorithms on HD wallets, scriptless multisig, and silent payments - summarizes popular Q&A from Stack Exchange - Optech Newsletter #364 Recap Matt Morehouse posted to Delving Bitcoin about a vulnerability affecting past versions of LND that he previously responsibly disclosed... Jurvis Tan posted to Delving Bitcoin about research he performed with Jesse Posner into improving the privacy and security of multisig collaborative custody... Jesse Posner posted to Delving Bitcoin several links to research papers that indicate that quantum-resistant signature algorithms provide comparable primitives to those currently used in Bitcoin... Selected Q&A from Bitcoin Stack Exchange: - How does Bitcoin Core handle reorgs larger than 10 blocks? - Advantages of a signing device over an encrypted drive? - Spending a taproot output through the keypath and scriptpath? Bitcoin Optech will host an audio recap discussion of this newsletter on Riverside.fm Tuesday at 16:30 UTC. Join us to discuss or ask questions!
Davidson Souza joined Optech discuss Newsletter #363: Changes to services and client software 0:45 Floresta v0.8.0 released 20:38 RGB v0.12 announced 25:34 FROST signing device available 29:44 Gemini adds taproot support 38:14 Electrum 4.6.0 released Releases and release candidates 38:51 LND v0.19.2-beta Notable code and documentation changes 39:38 Bitcoin Core #32604 40:55 Bitcoin Core #32618 43:03 Bitcoin Core #31553 46:53 Core Lightning #7725 47:23 Eclair #2716 52:19 LDK #3628 53:22 LDK #3890 54:30 LND #10001
Bitcoin Optech newsletter #363 is here: - summarizes changes to services/client software including Floresta, RGB, Frostsnap and more - LND v0.19.2-beta - Optech Newsletter #363 Recap Changes to services and client software: - Floresta v0.8.0 released - RGB v0.12 announced - FROST signing device available - Gemini adds taproot support - Electrum 4.6.0 released Bitcoin Optech will host an audio recap discussion of this newsletter on Riverside.fm Tuesday at 16:30 UTC. Join us to discuss or ask questions!
Bitcoin Optech newsletter #362 is here: - briefly describes a new library allowing output script descriptors to be compressed for use in QR codes - recaps the "Improve TxOrphanage denial of service bounds" PR Review Meeting - #362 Recap Podcast Josh Doman posted to Delving Bitcoin to announce a library he’s written that encodes output script descriptors into a binary format that reduces their size by about 40%... Improve TxOrphanage denial of service bounds is a PR by glozow that changes TxOrphanage eviction logic to guarantee each peer the resources for at least 1 maximum-size package worth of orphan resolution... Bitcoin Optech will host an audio recap discussion of this newsletter on Riverside.fm Tuesday at 16:30 UTC. Join us to discuss or ask questions!
Sanket Kanjalkar, Jonas Nick, Tadge Dryja, Steven Roose, and Brandon Black joined Optech this week to discuss: - A new onion message network - CTV+CSFS and benefits to PTLCs and BitVM - Vault descriptors - The CTV and CSFS open letter - Winternitz signatures using OP_CAT - Commit/reveal function for post-quantum recovery - OP_TXHASH variant with support for transaction sponsorship - And more