Bitcoin Optech Podcast

Mark “Murch” Erhardt and Mike Schmidt are joined by Russell O’Connor, Olaoluwa Osuntokun, and Jeremy Rubin to discuss Newsletter #370.Changing consensus● Details about the design of Simplicity (37:56) ● Draft BIP for adding elliptic curve operations to tapscript (1:52) ● Draft BIP for OP_TWEAKADD (19:23) Releases and release candidates● Core Lightning v25.09 (59:40) ● Bitcoin Core 29.1rc2 (1:00:24) Notable code and documentation changes● LDK #3726 (1:00:55) ● LDK #4019 (1:02:24) ● LND #9455 (1:03:09) ● LND #10103 (1:04:00) ● HWI #795 (1:05:20)

Mark “Murch” Erhardt and Mike Schmidt are joined by Bruno Garcia and Liam Eagen to discuss Newsletter #369.News● Update on differential fuzzing of Bitcoin and LN implementations (24:56) ● Garbled locks for accountable computing contracts (0:58) Selected Q&A from Bitcoin Stack Exchange● Is it possible to recover a private key from an aggregate public key under strong assumptions? (39:45) ● Are all taproot addresses vulnerable to quantum computing? (41:24) ● Why cant we set the chainstate obfuscation key? (45:20) ● Is it possible to revoke a spending branch after a block height? (52:09) ● Configure Bitcoin Core to use onion nodes in addition to IPv4 and IPv6 nodes? (53:45) Releases and release candidates● Bitcoin Core 29.1rc2 (54:22) ● Core Lightning v25.09rc4 (56:45) Notable code and documentation changes● Bitcoin Core #31802 (57:37) ● LDK #3979 (1:04:46) ● LND #10102 (1:06:19) ● Rust Bitcoin #4907 (1:07:04)

Gloria Zhao and Mike Schmidt are joined by Tadge Dryja and Anthony Towns to discuss ⁠Newsletter #366⁠.News● Draft BIPs proposed for Utreexo (1:03) ● Continued discussion about lowering the minimum relay feerate (23:43) ● Peer block template sharing to mitigate problems with divergent mempool policies (52:27) Bitcoin Core PR Review Club● Add exportwatchonlywallet RPC to export a watchonly version of a wallet (1:11:41)Optech recommends (1:15:50) Releases and release candidates● LND v0.19.3-beta.rc1 (1:17:04) ● BTCPay Server 2.2.0 (1:17:44) ● Bitcoin Core 29.1rc1 (1:18:13) Notable code and documentation changes● Bitcoin Core #32941 (1:21:11) ● Bitcoin Core #31385 (1:24:06) ● Bitcoin Core #31244 (1:26:38) ● Bitcoin Core #30635 (1:29:54) ● Bitcoin Core #28944 (1:32:29) ● Eclair #3133 (1:35:08) ● LND #10097 (1:36:23) ● LND #9625 (1:38:12) ● Rust Bitcoin #4730 (1:38:43) ● BLIPs #55 (1:40:57) Correction (1:42:03)

Mark “Murch” Erhardt and Mike Schmidt are joined by Matt Morehouse and Jesse Posner to discuss ⁠Newsletter #364⁠.News● LND gossip filter DoS vulnerability (0:53) ● Chain code withholding for multisig scripts (15:16) ● Research indicates common Bitcoin primitives are compatible with quantum-resistant signature algorithms (38:46) Selected Q&A from Bitcoin Stack Exchange● How does Bitcoin Core handle reorgs larger than 10 blocks? (57:36) ● Advantages of a signing device over an encrypted drive? (1:01:29) ● Spending a taproot output through the keypath and scriptpath? (1:03:21) Releases and release candidates● Libsecp256k1 v0.7.0 (1:04:26) Notable code and documentation changes● Bitcoin Core #32521 (1:05:16) ● Bitcoin Core #31829 (1:15:00) ● LDK #3801 (1:19:51) ● LDK #3842 (1:21:11) ● BIPs #1890 (1:21:57) ● BOLTs #1232 (1:23:53)