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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

02:18:26

Bitcoin Optech: Newsletter #282: 2023 Year-in-Review...

Bitcoin Optech Podcast ·

2023/12/27

Mark “Murch” Erhardt, Dave Harding, and Mike Schmidt discuss ⁠Newsletter #282: 2023 Year-in-Review Special⁠. January Bitcoin Inquisition (10:59) Swap-in-potentiam (14:03) BIP329 wallet label export format (19:32) February Ordinals and inscriptions (20:22) Bitcoin Search, ChatBTC, and TL;DR (41:50) Peer storage backups (43:40) LN quality of service (44:10) HTLC endorsement (47:31) Codex32 (48:33) March Hierarchical channels (50:57) Summary 2023: Soft fork proposals

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01:04:09

Bitcoin Optech: Newsletter #281 Recap

Bitcoin Optech Podcast ·

2023/12/19

Mark “Murch” Erhardt and Dave Harding are joined by Bastien Teinturier and Rodolfo Novak to discuss Newsletter #281. News Discussion about griefing liquidity ads (0:46) Changes to services and client software Stratum v2 mining pool launches (15:43) Bitcoin network simulation tool warnet announced (16:31) Payjoin client for Bitcoin Core released (17:30) Call for community block arrival timestamps (18:44) Envoy 1.4 released (21:41) BBQr encoding scheme announced (22:09) Zeus

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01:02:09

Bitcoin Optech: Newsletter #280 Recap

Bitcoin Optech Podcast ·

2023/12/07

Mark “Murch” Erhardt and Mike Schmidt are joined by Pieter Wuille and Matthew Zipkin to discuss Newsletter #280. News Cluster mempool discussion (0:57) Testing with warnet (32:42) Bitcoin Core PR Review Club Testing Bitcoin Core 26.0 Release Candidates (43:18) Releases and release candidates Bitcoin Core 26.0 (45:30) LND 0.17.3-beta.rc1 (57:41) Notable code and documentation changes Bitcoin Core #28848 (58:49) LDK #2540 (59:49)

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01:10:53

Bitcoin Optech: Newsletter #279 Recap

Bitcoin Optech Podcast ·

2023/11/30

Mark “Murch” Erhardt and Mike Schmidt are joined by Lisa Neigut and Bastien Teinturier to discuss Newsletter #279. News Update to the liquidity ads specification (1:00) Selected Q&A from Bitcoin Stack Exchange Is the Schnorr digital signature scheme a multisignature interactive scheme, and also not an aggregated non-interactive scheme? (38:49) Is it advisable to operate a release candidate full node on mainnet? (41:40) What is the relation between nLockTime and nSequence? (44:40)

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01:02:22

Bitcoin Optech: Newsletter #278 Recap

Bitcoin Optech Podcast ·

2023/11/22

Dave Harding and Mike Schmidt are joined by Bastien Teinturier and Robin Linus to discuss Newsletter #278. News Offers-compatible LN addresses (1:20) Changes to services and client software BitMask Wallet 0.6.3 released (17:42) Opcode documentation website announced (20:08) Athena Bitcoin adds Lightning support (21:42) Blixt v0.6.9 released (22:22) Durabit whitepaper announced (23:07) BitStream whitepaper announced (25:01) BitVM proof of concepts (42:33) Bitkit adds

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01:05:43

Bitcoin Optech: Newsletter #277 Recap

Bitcoin Optech Podcast ·

2023/11/16

Dave Harding and Mike Schmidt are joined by Gregory Sanders, Antoine Poinsot, and Max Edwards to discuss Newsletter #277. News Eliminating malleability from ephemeral anchor spends (1:54) Field Report: A Miniscript Journey (20:17) Releases and release candidates LND 0.17.1-beta (37:27) Bitcoin Core 26.0rc2 (40:05) Core Lightning 23.11rc1 (53:24) Notable code and documentation changes Bitcoin Core #28207 (55:33) LDK #2715 (1:02:34)

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00:45:02

Bitcoin Optech: Newsletter #276 Recap

Bitcoin Optech Podcast ·

2023/11/09

Mark “Murch” Erhardt and Mike Schmidt are joined by Johan Torås Halseth and Abubakar Ismail to discuss Newsletter #276. News Mailing list hosting (1:05) HTLC aggregation with covenants (5:36) Bitcoin Core PR Review Club Fee Estimator updates from Validation Interface/CScheduler thread (16:47) Releases and release candidates Bitcoin Core 26.0rc2 (26:14) Core Lightning 23.11rc1 (29:26) LND 0.17.1-beta.rc1 (31:28) Notable code and documentation changes Core Lightning #6824

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00:38:57

Bitcoin Optech: Newsletter #275 Recap

Bitcoin Optech Podcast ·

2023/11/02

Mark “Murch” Erhardt and Mike Schmidt discuss ⁠Newsletter #275⁠. News Continued discussion about scripting changes (0:40) Releases and release candidates LDK 0.0.118 (14:57) Rust Bitcoin 0.31.1 (17:35) Notable code and documentation changes Bitcoin Core #28685 (21:24) Bitcoin Core #28651 (22:34) Bitcoin Core #28565 (24:57) LND #7828 (31:01) LDK #2660 (33:14) BOLTs #1086 (35:02)

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01:27:08

Bitcoin Optech: Newsletter #274 Recap

Bitcoin Optech Podcast ·

2023/10/26

Mark “Murch” Erhardt and Mike Schmidt are joined by Bastien Teinturier, Fabian Jahr, Ethan Heilman, and Armin Sabouri to discuss Newsletter #274. News Replacement cycling vulnerability against HTLCs (1:40) Bitcoin UTXO set summary hash replacement (24:21) Research into generic covenants with minimal Script language changes (40:02) Proposed BIP for OP_CAT (45:38) Selected Q&A from Bitcoin Stack Exchange How does the Branch and Bound coin selection algorithm work? (52:17) Why is

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00:50:55

Bitcoin Optech: Newsletter #273 Recap

Bitcoin Optech Podcast ·

2023/10/19

Mark “Murch” Erhardt and Mike Schmidt are joined by Robin Linus and Antoine Poinsot to discuss ⁠Newsletter #273⁠. News Security disclosure of issue affecting LN (1:09) Payments contingent on arbitrary computation (8:15) Proposed BIP for MuSig2 fields in PSBTs (26:44) Changes to services and client software BIP-329 Python library released (29:10) LN testing tool Doppler announced (30:19) Coldcard Mk4 v5.2.0 released (31:54) Tapleaf circuits: a BitVM demo (32:27) Samourai

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00:38:14

Bitcoin Optech: Newsletter #272 Recap

Bitcoin Optech Podcast ·

2023/10/12

Mike Schmidt is joined by Steven Roose and Gloria Zhao to discuss Newsletter #272. News Specification for `OP_TXHASH` proposed (1:42) Bitcoin Core PR Review Club util: Type-safe transaction identifiers (18:36) Releases and release candidates LDK 0.0.117 (27:33) BDK 0.29.0 (28:35) Notable code and documentation changes Bitcoin Core #27596 (29:32) Bitcoin Core #28331 (30:38) Bitcoin Core #27609 (33:08) Bitcoin Core GUI #764 (34:55) Core Lightning #6676 (36:29)

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01:05:02

Bitcoin Optech: Newsletter #271 Recap

Bitcoin Optech Podcast ·

2023/10/05

Mark “Murch” Erhardt and Mike Schmidt are joined by Gijs van Dam and Dave Harding to discuss Newsletter #271. News Secure remote control of LN nodes (1:48) Payment splitting and switching (12:23) Pooled liquidity for LN (34:31) Releases and release candidates LND v0.17.0-beta (55:26) Notable code and documentation changes Eclair #2756 (58:26) LDK #2486 (1:01:33) LDK #2609 (1:02:34)

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00:56:04

Bitcoin Optech: Newsletter #270 Recap

Bitcoin Optech Podcast ·

2023/09/28

Mark “Murch” Erhardt and Mike Schmidt are joined by Anthony Towns to discuss Newsletter #270. News Using covenants to improve LN scalability (2:07) Selected Q&A from Bitcoin Stack Exchange How did peer discovery work in Bitcoin v0.1? (20:42) Would a series of reorgs cause Bitcoin to break because of the 2-hour block time difference restriction? (22:48) Is there a way to download blocks from scratch without downloading block headers first? (26:56) Where is the bitcoin source code is

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00:38:05

Bitcoin Optech: Newsletter #269 Recap

Bitcoin Optech Podcast ·

2023/09/21

Mark “Murch” Erhardt and Mike Schmidt are joined by Sergi Delgado Segura to discuss Newsletter #269.

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01:22:32

Bitcoin Optech: Newsletter #268 Recap

Bitcoin Optech Podcast ·

2023/09/14

Mark “Murch” Erhardt and Mike Schmidt are joined by Olaoluwa Osuntokun, Greg Sanders, and Pieter Wuille to discuss Newsletter #268. News Specifications for taproot assets (1:10) LN messaging changes for PTLCs (53:22) Bitcoin Core PR Review Club BIP324 (28:31) Releases and release candidates LND v0.17.0-beta.rc2 (1:18:22) Notable code and documentation changes Bitcoin Core #26567 (1:20:52)

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00:42:58

Bitcoin Optech: Newsletter #267 Recap

Bitcoin Optech Podcast ·

2023/09/07

Mark “Murch” Erhardt and Mike Schmidt are joined by Tom Briar and Nick Farrow to discuss Newsletter #267. News Bitcoin transaction compression (1:13) Privacy enhanced co-signing (14:43) Releases and release candidates Libsecp256k1 0.4.0 (35:43) LND v0.17.0-beta.rc2 (37:26) Notable code and documentation changes Bitcoin Core #28354 (38:43) LDK #2468 (40:33)

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02:40:10

Bitcoin Optech: Waiting for Confirmation Special

Bitcoin Optech Podcast ·

2023/09/03

This podcast is a compilation of previous podcast discussions about the Waiting for confirmation series on mempool and relay policy. Series coauthors Mark “Murch” Erhardt and Gloria Zhao describe the concepts in the series, discuss with special guests, and take questions from the audience. 1. Why do we have a mempool? (0:50) 2. Incentives (13:10) 3. Bidding for block space (31:19) 4. Feerate estimation (47:27) 5. Policy for Protection of Node Resources (59:04) 6. Policy Consistency (1:09:47)

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01:13:45

Bitcoin Optech: Newsletter #266 Recap

Bitcoin Optech Podcast ·

2023/08/31

Mark “Murch” Erhardt and Mike Schmidt are joined by Matt Corallo, Brandon Black, Gregory Sanders, and James O’Beirne to discuss Newsletter #266. News Disclosure of past LN vulnerability related to fake funding (21:11) Covenant mashup using `TXHASH` and `CSFS` (1:30) Selected Q&A from Bitcoin Stack Exchange Is there an economic incentive to switch from P2WPKH to P2TR? (34:44) What is the BIP324 encrypted packet structure? (37:31) What is the false positive rate for compact block

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00:58:52

Bitcoin Optech: Newsletter #265 Recap

Bitcoin Optech Podcast ·

2023/08/24

Mark “Murch” Erhardt and Mike Schmidt are joined by Peter Todd and Henrik Skogstrøm to discuss Newsletter #265. News Fraud proofs for outdated backup state (1:20) Changes to services and client software Scaling Lightning call for feedback (18:07) Torq v1.0 released (30:31) Blixt Wallet v0.6.8 released (36:03) Sparrow 1.7.8 released (37:19) Open source ASIC miner bitaxeUltra prototype (38:21) FROST software Frostsnap announced (39:10) Libfloresta library announced (42:25)

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00:56:47

Bitcoin Optech: Newsletter #264 Recap

Bitcoin Optech Podcast ·

2023/08/17

Mark “Murch” Erhardt and Mike Schmidt are joined by Brandon Black and Dan Gould to discuss Newsletter #264. News Adding expiration metadata to silent payment addresses (0:51) Serverless payjoin (14:28) Field Report: Implementing MuSig2 (33:10) Releases and release candidates Core Lightning 23.08rc2 (44:40) Notable code and documentation changes Bitcoin Core #27213 (45:46) Bitcoin Core #28008 (50:29) LDK #2308 (55:15)

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174 results

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