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PODCAST

Bitcoin Optech Podcast

Join Bitcoin Optech as we discuss Bitcoin and Lightning technology each week and review our newsletters. https://bitcoinops.org/

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All Episodes

01:21:25

Bitcoin Optech: Newsletter #244 Recap

Bitcoin Optech Podcast ·

2023/03/30

Mark “Murch” Erhardt and Mike Schmidt are joined by Dave Harding to discuss Newsletter #244. News Preventing stranded capital with multiparty channels and channel factories (1:00) Selected Q&A from Bitcoin Stack Exchange Why isn’t the taproot deployment buried in Bitcoin Core? (28:06) What restrictions does the version field in the block header have? (32:23) What is the relation between transaction data and ids? (39:04) Can I request tx messages from other peers? (43:33)

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00:48:56

Bitcoin Optech: Newsletter #243 Recap

Bitcoin Optech Podcast ·

2023/03/29

Mark “Murch” Erhardt and Mike Schmidt are joined by Alekos Filini to discuss Newsletter #243. News No significant news this week was found on the Bitcoin-Dev or Lightning-Dev mailing lists. Changes to services and client software Xapo Bank supports Lightning (1:41) TypeScript library for miniscript descriptors released (3:02) Breez Lightning SDK announced (6:48) PSBT-based exchange OpenOrdex launches (10:48) BTCPay Server coinjoin plugin released (14:01) mempool.space explorer enhances

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00:45:28

Bitcoin Optech: Newsletter #242 Recap

Bitcoin Optech Podcast ·

2023/03/22

Mark “Murch” Erhardt and Mike Schmidt are joined by Calvin Kim, James O’Beirne, and Greg Sanders to discuss Newsletter #242. News Service bit for Utreexo (1:28) Releases and release candidates Core Lightning v23.02.2 (22:04) Libsecp256k1 0.3.0 (25:47) LND v0.16.0-beta.rc3 (29:01) Notable code and documentation changes Bitcoin Core #25740 (30:01)

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00:44:00

Bitcoin Optech: Newsletter #241 Recap

Bitcoin Optech Podcast ·

2023/03/13

Mark “Murch” Erhardt and Mike Schmidt are joined by James O’Beirne and Greg Sanders to discuss Newsletter #241. News Alternative design for OP_VAULT (0:41) New Optech Podcast (23:29) Bitcoin Core PR Review Club Bitcoin-inquisition: Activation logic for testing consensus changes (24:33) Releases and release candidates Core Lightning 23.02 (38:01) LDK v0.0.114 (40:00) BTCPay 1.8.2 (40:52) LND v0.16.0-beta.rc2 (41:40) Notable code and documentation changes LND #7462 (42:48)

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00:21:58

Bitcoin Optech: Newsletter #240 Recap

Bitcoin Optech Podcast ·

2023/03/06

Mark "Murch" Erhardt and Mike Schmidt discuss Newsletter #240. News Faster seed backup checksums (2:31) Releases and release candidates HWI 2.2.1 (10:17) Core Lightning 23.02rc3 (11:38) lnd v0.16.0-beta.rc1 (12:03) Notable code and documentation changes Bitcoin Core #25943 (12:59) Bitcoin Core #26595 (15:11) Bitcoin Core #27068 (16:51) LDK #1988 (18:37) LDK #1977 (20:15)

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01:01:45

Bitcoin Optech: Newsletter #239 Recap

Bitcoin Optech Podcast ·

2023/02/27

Join Mark “Murch” Erhardt and Mike Schmidt as they are joined by James O’Beirne, Christian Decker, and Russell O’Connor to discuss Newsletter #239. A full transcript of the discussion is available here. News Draft BIP for OP_VAULT (1:18) LN quality of service flag (4:15) Feedback requested on LN good neighbor scoring (13:58) Proposed BIP for Codex32 seed encoding scheme (20:27) Selected Q&A from Bitcoin Stack Exchange Why is witness data downloaded during IBD in prune mode? (36:40)

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01:03:25

Bitcoin Optech: Newsletter #238 Recap

Bitcoin Optech Podcast ·

2023/02/16

Mark “Murch” Erhardt and Mike Schmidt are joined by AJ Towns, Yuval Kogman, Alex Myers and Vivek Kasarabada to discuss Newsletter #238. News Continued discussion about block chain data storage (1:02) Fee dilution in multiparty protocols (27:29) Tapscript signature malleability (33:47) Changes to services and client software Liana wallet adds multisig (37:35) Sparrow wallet 1.7.2 released (38:46) Bitcoinex library adds schnorr support (39:20) Libwally 0.8.8 released (39:59)

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00:52:54

Bitcoin Optech: Newsletter #237 Recap

Bitcoin Optech Podcast ·

2023/02/09

Mark “Murch” Erhardt and Mike Schmidt are joined by Martin Zumsande and Carla Kirk-Cohen to discuss Newsletter #237. News Discussion about storing data in the block chain (1:19) Summary of call about mitigating LN jamming (11:05) Bitcoin Core PR Review Club Track AddrMan totals by network and table, improve precision of adding fixed seeds (27:50) Notable code and documentation changes Bitcoin Core #25880 (39:45) Core Lightning #5679 (45:34) Core Lightning #5821 (46:25)

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00:57:45

Bitcoin Optech: Newsletter #236 Recap

Bitcoin Optech Podcast ·

2023/02/02

Mark “Murch” Erhardt and Mike Schmidt are joined by Dan Gould and Bastien Teinturier to discuss Newsletter #236. News Serverless payjoin proposal (1:30) LN async proof of payment (18:44) Notable code and documentation changes Bitcoin Core #26471 (28:50) Bitcoin Core #23395 (32:11) Eclair #2573 (33:20) Eclair #2574 (33:20) Eclair #2540 (38:23) LND #7231 (44:33) LDK #1878 (47:47) LDK #1860 (50:35)

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01:02:59

Bitcoin Optech: Newsletter #235 Recap

Bitcoin Optech Podcast ·

2023/01/26

Mark “Murch” Erhardt and Mike Schmidt are joined by Valentine Wallace to discuss Newsletter #235. News Ephemeral anchors compared to `SIGHASH_GROUP` (0:58) Request for proof that an async payment was accepted (12:04) Selected Q&A from Bitcoin Stack Exchange Bitcoin Core signing keys were removed from repo. What is the new process? (27:53) Why doesn't signet use a unique bech32 prefix? (31:36) Arbitrary data storage in witness? (34:07) Why is the locktime set at transaction

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01:11:18

Bitcoin Optech: Newsletter #234 Recap

Bitcoin Optech Podcast ·

2023/01/19

Mark “Murch” Erhardt and Mike Schmidt are joined by James O’Beirne to discuss Newsletter #234. News Proposal for new vault-specific opcodes (1:48) Changes to services and client software Kraken announces sending to taproot addresses (53:01) Whirlpool coinjoin rust client library announced (53:45) Ledger supports miniscript (54:25) Liana wallet released (55:11) Electrum 4.3.3 released (58:40) Releases and release candidates HWI 2.2.0 (1:00:04) Notable code and documentation

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01:02:38

Bitcoin Optech: Newsletter #233 Recap

Bitcoin Optech Podcast ·

2023/01/12

Mark “Murch” Erhardt and Mike Schmidt are joined by Jesse Posner and ZmnSCPxj to discuss Newsletter #233. News Non-interactive LN channel open commitments (3:20) Releases and release candidates BDK 0.26.0 (54:27) HWI 2.2.0-rc1 (55:55) Notable code and documentation changes Eclair #2455 (56:56)

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01:08:44

Bitcoin Optech: Newsletter #232 Recap

Bitcoin Optech Podcast ·

2023/01/05

Mark “Murch” Erhardt and Mike Schmidt are joined by Peter Todd to discuss Newsletter #232.

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02:06:40

Bitcoin Optech: Newsletter #231: 2022 Year-in-Review...

Bitcoin Optech Podcast ·

2022/12/22

Mark “Murch” Erhardt and Mike Schmidt are joined by Dave Harding to discuss ⁠Newsletter #231⁠. January Stateless invoices (7:37) Legal defense fund (11:21) February Fee sponsorship (12:45) Phantom node payments (15:14) March LN pathfinding (17:37) Zero-conf channels (21:12) Summary 2022: Replace-By-Fee (24:02) April Silent payments (31:17) Taro (35:06) Quantum-safe key exchange (45:29) May MuSig2 (48:51) Package relay (52:12) Bitcoin kernel library

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01:28:11

Bitcoin Optech: Newsletter #230 Recap

Bitcoin Optech Podcast ·

2022/12/15

Mark “Murch” Erhardt and Mike Schmidt are joined by Ben Carman and Joost Jager to discuss Newsletter #230. News Factory-optimized LN protocol proposal (2:34) Local jamming to prevent remote jamming (9:28) Monitoring of full-RBF replacements (29:17) Changes to services and client software Lily Wallet adds coin selection (38:57) Vortex software creates LN channels from a coinjoin (41:42) Mutiny demonstrates LN node in a browser PoC (49:31) Coinkite launches BinaryWatch.org

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01:11:50

Bitcoin Optech: Newsletter #229 Recap

Bitcoin Optech Podcast ·

2022/12/08

Mark “Murch” Erhardt and Mike Schmidt are joined by Greg Sanders and Larry Ruane to discuss Newsletter #229.

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00:57:06

Bitcoin Optech: Newsletter #228 Recap

Bitcoin Optech Podcast ·

2022/12/01

Mark “Murch” Erhardt and Mike Schmidt discuss Newsletter #228. News Reputation credentials proposal to mitigate LN jamming attacks (00:33) Releases and release candidates LND 0.15.5-beta.rc2 (20:33) Core Lightning 22.11rc3 (21:29) Notable code and documentation changes Core Lightning #5727 (26:41) Eclair #2499 (28:32) LND #7122 (36:09) LDK #1852 (41:51) Libsecp256k1 #993 (55:02)

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00:36:47

Bitcoin Optech: Newsletter #227 Recap

Bitcoin Optech Podcast ·

2022/11/23

Mark “Murch” Erhardt and Mike Schmidt discuss Newsletter #227.

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01:08:43

Bitcoin Optech: Newsletter #226 Recap

Bitcoin Optech Podcast ·

2022/11/17

Mike Schmidt is joined by Salvatore Ingala and Clara Shikhelman to discuss Newsletter #226.

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00:43:27

Bitcoin Optech: Newsletter #225 Recap

Bitcoin Optech Podcast ·

2022/11/10

Mark “Murch” Erhardt and Mike Schmidt discuss Newsletter #225. News Continued discussion about enabling full-RBF (0:54) Block parsing bug affecting multiple software (14:36) Bitcoin Core PR Review Club Relax MIN_STANDARD_TX_NONWITNESS_SIZE to 65 non-witness bytes (19:32) Releases and release candidates Rust Bitcoin 0.28.2 (28:41) Bitcoin Core 24.0 RC3 (29:40) Notable code and documentation changes Bitcoin Core #26419 (30:22) Eclair #2404 (31:21) Eclair #2468 (32:11)

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