Bitcoin Optech Podcast

Bitcoin Optech Podcast

https://anchor.fm/s/d9918154/podcast/rss
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Join Bitcoin Optech as we discuss Bitcoin and Lightning technology each week and review our newsletters. https://bitcoinops.org/

Episode List

Bitcoin Optech: Newsletter #397 Recap

Mar 24th, 2026 7:09 PM

Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by Matt Corallo, Gregory Sanders, and Sebastian van Staa to discuss ⁠Newsletter #397⁠.Changes to services and client software● Cake Wallet adds Lightning support (1:06:09) ● Sparrow 2.4.0 and 2.4.2 released (1:13:15) ● Blockstream Jade adds Lightning via Liquid (1:15:33) ● Lightning Labs releases agent tools (14:49) ● Tether launches MiningOS (1:17:38) ● FIBRE network relaunched (1:35) ● TUI for Bitcoin Core released (1:19:34) Releases and release candidates● Bitcoin Core 31.0rc1 (28:24) ● BTCPay Server 2.3.6 (1:20:55) Notable code and documentation changes● Bitcoin Core #31560 (1:21:55) ● Bitcoin Core #31774 (1:23:35) ● Core Lightning #8817 (1:25:12) ● Eclair #3265 (1:27:41) ● LDK #4427 (22:36) ● LDK #4484 (23:45) ● BIPs #1974 (49:52)

Bitcoin Optech: Newsletter #396 Recap

Mar 17th, 2026 6:51 PM

Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by Jonathan Harvey-Buschel to discuss ⁠Newsletter #396⁠.News● Collision-resistant hash function for Bitcoin Script (0:30) ● Continued discussion of Gossip Observer traffic analysis tool (8:58) Releases and release candidates● BDK wallet 3.0.0-rc.1 (28:04) Notable code and documentation changes● Bitcoin Core #26988 (30:39) ● Bitcoin Core #34692 (32:22) ● LDK #4304 (33:21) ● LDK #4416 (35:41) ● LND #10089 (38:01) ● Libsecp256k1 #1777 (39:46) ● BIPs #2047 (42:39) ● BOLTs #1316 (46:42) ● BOLTs #1312 (47:26)

Bitcoin Optech: Newsletter #395 Recap

Mar 11th, 2026 5:27 PM

Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by Jon McAlpine, Antoine Poinsot, Mike Casey, and Ethan Heilman to discuss Newsletter #395.News● A standard for stateless VTXO verification (1:31) ● Draft BIP for expanded `nVersion` nonce space for miners (1:23:45) Changing consensus● Extensions to standard tooling for TEMPLATEHASH-CSFS-IK support (13:52) ● Hourglass V2 update (25:40) ● Algorithm agility for Bitcoin (51:15) ● The limitations of cryptographic agility in Bitcoin (1:05:15) Releases and release candidates● Bitcoin Core 28.4rc1 (1:36:53) Notable code and documentation changes● Bitcoin Core #33616 (1:38:30) ● Bitcoin Core #34616 (1:42:23) ● Eclair #3256 (1:46:20) ● Eclair #3258 (1:48:34) ● Eclair #3255 (1:50:14) ● LDK #4402 (1:52:27) ● LND #10604 (1:53:56) ● BIPs #1699 (1:55:34) ● BIPs #2106 (1:57:30) ● BIPs #2068 (2:01:28) ● BOLTs #1301 (2:04:54)

Bitcoin Optech: Newsletter #394 Recap

Mar 3rd, 2026 8:28 PM

Mark “Murch” Erhardt and Mike Schmidt are joined by Craig Raw and Fabian Jahr to discuss Newsletter #393.News● Draft BIP for output script descriptor annotations (1:25) Selected Q&A from Bitcoin Stack Exchange● Is Bitcoin BIP324 v2 P2P transport distinguishable from random traffic? (35:16) ● What if a miner just broadcasts the header and never gives the block? (39:53) Releases and release candidates● Bitcoin Core 28.4rc1 (47:27) ● Rust Bitcoin 0.33.0-beta (47:46) Notable code and documentation changes● Bitcoin Core #34568 (48:48) ● Bitcoin Core #34184 (50:37) ● Bitcoin Core #24539 (51:57) ● Bitcoin Core #34329 (54:56) ● Bitcoin Core #28792 (15:35) ● Bitcoin Core #32138 (54:56) ● Bitcoin Core #34512 (56:44) ● Core Lightning #8490 (58:16) ● Eclair #3250 (59:07) ● LDK #4373 (59:55) ● BDK #2081 (1:02:13)

Bitcoin Optech: Newsletter #393 Recap

Feb 24th, 2026 7:52 PM

Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by Misha Komarov, Erik De Smedt, and arbedout to discuss ⁠Newsletter #393⁠.News● Recent OP_RETURN output statistics (45:54) ● Bitcoin PIPEs v2 (1:33) Changes to services and client software● Second releases hArk-based Ark software (20:21) ● Amboss announces RailsX (55:35) ● Nunchuk adds silent payment support (56:11) ● Electrum adds submarine swap features (58:08) ● Sigbash v2 announced (33:56) Releases and release candidates● BTCPay Server 2.3.5 (1:00:11) ● LND 0.20.1-beta (1:01:43) Notable code and documentation changes● Bitcoin Core #33965 (1:02:55) ● Eclair #3248 (1:05:55) ● Eclair #3246 (1:07:08) ● LDK #4335 (1:08:52) ● LDK #4318 (1:14:32) ● LND #10542 (1:15:55) ● BIPs #1670 (1:17:02) ● BOLTs #1236 (1:27:50) ● BOLTs #1289 (1:29:10)

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