Mark “Murch” Erhardt and Mike Schmidt are joined by Jonas Nick and Salvatore Ingala to discuss Newsletter #351.News● Interactive aggregate signatures compatible with secp256k1 (0:50) ● Standardized backup for wallet descriptors (21:34) Selected Q&A from Bitcoin Stack Exchange● Practicality of half-aggregated schnorr signatures? (17:16) ● What's the largest size OP_RETURN payload ever created? (41:17) ● Non-LN explanation of pay-to-anchor? (43:29) ● Up-to-date statistics about chain reorganizations? (48:08) ● Are Lightning channels always P2WSH? (52:33) ● Child-pays-for-parent as a defense against a double spend? (53:40) ● What values does CHECKTEMPLATEVERIFY hash? (59:06) ● Why can't Lightning nodes opt to reveal channel balances for better routing efficiency? (59:32) ● Does post-quantum require hard fork or soft fork? (1:02:27) Releases and release candidates● LND 0.19.0-beta.rc3 (1:07:39) Notable code and documentation changes● Bitcoin Core #31247 (1:07:58) ● LDK #3601 (1:10:14)
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1:11:29
Bitcoin Optech: Newsletter #350 Recap
Mark “Murch” Erhardt and Mike Schmidt are joined by Niklas Gögge to discuss Newsletter #350.Changes to services and client software● Bitcoin Knots version 28.1.knots20250305 released (11:26) ● PSBTv2 explorer announced (13:51) ● LNbits v1.0.0 released (14:38) ● The Mempool Open Source Project® v3.2.0 released (15:22) ● Coinbase MPC library released (17:25) ● Lightning Network liquidity tool released (21:20) ● Versioned Storage Service announced (22:25) ● Fuzz testing tool for Bitcoin nodes (1:17) ● Bitcoin Control Board components open-sourced (23:50) Releases and release candidates● Bitcoin Core 29.0 (25:13) ● LND 0.19.0-beta.rc2 (34:41) Notable code and documentation changes● LDK #3593 (35:04) ● BOLTs #1242 (35:57) Correction (37:38)
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41:52
Bitcoin Optech: Newsletter #349 Recap
Mark “Murch” Erhardt and Dave Harding are joined by Sebastian Falbesoner, Ruben Somsen, and Abubakar Sadiq Ismail to discuss Newsletter #349.News● SwiftSync speedup for initial block download (0:34) Bitcoin Core PR Review Club● Add Fee rate Forecaster Manager (29:33) Releases and release candidates● Core Lightning 25.02.1 (46:54) ● Core Lightning 24.11.2 (47:03) ● BTCPay Server 2.1.0 (48:14) ● Bitcoin Core 29.0rc3 (49:25) ● LND 0.19.0-beta.rc2 (51:21) Notable code and documentation changes● LDK #2256 (53:52) ● LND #9669 (56:16) ● Rust Bitcoin #4302 (57:24)
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58:57
Bitcoin Optech: Newsletter #348 Recap
Mark “Murch” Erhardt and Mike Schmidt are joined by Jonas Nick, Jameson Lopp, Steven Roose, Gregory Sanders, and Salvatore Ingala to discuss Newsletter #348.News● Educational and experimental-based secp256k1 implementation (1:09) Changing consensus● Should vulnerable bitcoins be destroyed? (9:17) ● Securely proving UTXO ownership by revealing a SHA256 preimage (34:52) ● Draft BIP for destroying quantum-insecure bitcoins (44:01) ● Criticism of CTV motivation (51:16) ● CTV+CSFS benefits (1:06:02) ● Benefit of CTV to Ark users (1:24:37) ● OP_CHECKCONTRACTVERIFY semantics (1:31:49) ● Draft BIP published for consensus cleanup (1:58:29) Releases and release candidates● BDK wallet 1.2.0 (2:06:03) ● LDK v0.1.2 (2:06:48) ● Bitcoin Core 29.0rc3 (2:07:13) ● LND 0.19.0-beta.rc1 (2:08:36) Notable code and documentation changes● Bitcoin Core #31363 (2:09:03) ● Bitcoin Core #31278 (2:09:44) ● Eclair #3050 (2:12:41) ● Eclair #2963 (2:13:54) ● Eclair #3045 (2:14:44) ● LDK #3670 (2:15:47) ● LND #9620 (2:16:24)
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2:18:29
Bitcoin Optech: Newsletter #347 Recap
Mark “Murch” Erhardt and Mike Schmidt are joined by Sjors Provoost and Antoine Poinsot to discuss Newsletter #347.News● LN upfront and hold fees using burnable outputs (0:54) ● Discussion of testnets 3 and 4 (5:11) ● Plan to relay certain taproot annexes (19:01) Selected Q&A from Bitcoin Stack Exchange● Why is the witness commitment optional? (24:58) ● Can all consensus valid 64 byte transactions be (third party) malleated to change their size? (36:39) ● How long does it take for a transaction to propagate through the network? (47:37) ● Utility of longterm fee estimation (49:31) ● Why are two anchor outputs are used in the LN? (54:34) ● Why are there no BIPs in the 2xx range? (57:19) ● Why doesn't Bech32 use the character b? (59:55) ● Bech32 error detection and correction reference implementation (1:00:23) ● How to safely spend/burn dust? (1:02:48) ● How is the refund transaction in Asymmetric Revocable Commitments constructed? (1:07:34) ● Which applications use ZMQ with Bitcoin Core? (42:15) Releases and release candidates● Bitcoin Core 29.0rc2 (1:08:21) ● LND 0.19.0-beta.rc1 (1:08:55) Notable code and documentation changes● Bitcoin Core #31603 (45:12) ● Eclair #3044 (1:09:45) ● Eclair #3026 (1:10:38) ● LDK #3649 (1:11:02) ● LDK #3665 (1:11:59) ● LND #8453 (1:14:28) ● BIPs #1792 (1:16:00) ● BIPs #1782 (1:16:40)
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