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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

01:13:16

Bitcoin Optech: Newsletter #224 Recap

Bitcoin Optech Podcast ·

2022/11/03

Mark “Murch” Erhardt and Mike Schmidt are joined by Bastien Teinturier and Joost Jager to discuss Newsletter #224. News Mempool consistency (3:15) BIP324 message identifiers (17:55) LN routing failure attribution (21:24) Anchor outputs workaround (33:08) Releases and release candidates LND 0.15.4-beta (42:27) Bitcoin Core 24.0 RC2 (51:36) Notable code and documentation changes Bitcoin Core #23927 (52:50) Bitcoin Core #25957 (55:18) Bitcoin Core #23578 (56:42) Core

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01:34:09

Bitcoin Optech: Newsletter #223 Recap

Bitcoin Optech Podcast ·

2022/10/27

Mark “Murch” Erhardt and Mike Schmidt are joined by Gloria Zhao, Gregory Sanders, and Sergej Kotliar to discuss Newsletter #223.

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01:27:58

Bitcoin Optech: Newsletter #222 Recap

Bitcoin Optech Podcast ·

2022/10/20

Mark “Murch” Erhardt and Mike Schmidt are joined by John Light and Gregory Sanders to discuss Newsletter #222. News Block parsing bug affecting BTCD and LND (0:10) Transaction replacement option (5:34) Validity rollups research (18:02) MuSig2 security vulnerability (52:00) Minimum relayable transaction size (55:55) BIP324 update (1:01:52) Changes to services and client software btcd v0.23.2 released (1:05:30) ZEBEDEE announces hosted channel libraries (1:06:30) Cashu

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00:40:01

Bitcoin Optech: Newsletter #221 Recap

Bitcoin Optech Podcast ·

2022/10/13

Mark “Murch” Erhardt and Mike Schmidt are joined by Ruben Somsen and Martin Zumsande to discuss Newsletter #221. News LN with long timeouts proposal (18:45) Recommendations for unique address servers (1:32) Bitcoin Core PR Review Club Make AddrFetch connections to fixed seeds (23:32) Releases and release candidates LND v0.15.2-beta (35:04) Bitcoin Core 24.0 RC1 (38:14) Notable code and documentation changes LND #6500 (39:18)

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01:18:05

Bitcoin Optech: Newsletter #220 Recap

Bitcoin Optech Podcast ·

2022/10/06

Mark “Murch” Erhardt and Mike Schmidt are joined by Gloria Zhao and Rene Pickhardt to discuss Newsletter #220. News Proposed new transaction relay policies designed for LN-penalty (1:30) LN flow control (22:06) Releases and release candidates Bitcoin Core 24.0 RC1 (44:38) Notable code and documentation changes Eclair #2435 (51:28) BOLTs #962 (54:38) BIPs #1370 (55:29) BIPs #1367 (1:03:04) BIPs #1349 (1:08:54) BIPs #1293 (1:12:26) BIPs #1364 (1:14:47)

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01:14:04

Bitcoin Optech: Newsletter #219 Recap

Bitcoin Optech Podcast ·

2022/09/29

Mark “Murch” Erhardt and Mike Schmidt are joined by Anthony Towns and Andreas Kouloumos to discuss Newsletter #219. News LN fee ratecards (0:51) Bitcoin implementation designed for testing soft forks on signet (11:35) Selected Q&A from Bitcoin Stack Exchange Is it possible to determine whether an HD wallet was used to create a given transaction? (34:10) Why is there a 5-day gap between the genesis block and block 1? (38:08) Is it possible to set RBF as always-on in bitcoind

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01:03:45

Bitcoin Optech: Newsletter #218 Recap

Bitcoin Optech Podcast ·

2022/09/22

Mark “Murch” Erhardt and Mike Schmidt are joined by Jeremy Rubin and Paul Sztorc to discuss Newsletter #218. News Creating drivechains with APO and a trusted setup (1:07) Changes to services and client software Mempool Project launches Lightning Network explorer (51:19) Federation software Fedimint adds Lightning (45:23) Bitpay wallet improves RBF support (52:02) Mutiny Lightning wallet announced (53:03) Notable code and documentation changes Core Lightning #5581 (56:41)

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00:50:40

Bitcoin Optech: Newsletter #217 Recap

Bitcoin Optech Podcast ·

2022/09/15

Mark “Murch” Erhardt and Mike Schmidt are joined by Larry Ruane to discuss Newsletter #217. Bitcoin Core PR Review Club Reduce bandwidth during initial headers sync when a block is found (4:58) Releases and release candidates LDK 0.0.111 (25:09) Notable code and documentation changes Bitcoin Core #25614 (26:20) Bitcoin Core #25768 (30:41) Bitcoin Core #19602 (34:44) Eclair #2406 (39:27) Eclair #2190 (44:26) Rust Bitcoin #1196 (46:51)

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00:44:19

Bitcoin Optech: Newsletter #216 Recap

Bitcoin Optech Podcast ·

2022/09/08

Mark “Murch” Erhardt and Mike Schmidt are joined by Daniela Brozzoni to discuss Newsletter #216. Notable code and documentation changes Bitcoin Core #25717 (2:34) Bitcoin Core #25355 (22:41) BDK #689 (31:45) BDK #682 (39:07)

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01:04:12

Bitcoin Optech: Newsletter #215 Recap

Bitcoin Optech Podcast ·

2022/09/01

Mark “Murch” Erhardt and Mike Schmidt are joined by Craig Raw to discuss Newsletter #215. News Wallet label export format (1:00) Selected Q&A from Bitcoin Stack Exchange Why isn't it possible to add an OP_RETURN commitment (or some arbitrary script) inside a taproot script path with a descriptor? (23:12) Why does Bitcoin Core rebroadcast transactions? (24:56) When did Bitcoin Core deprecate the mining function? (33:27) UTXO spendable by me or deposit to exchange after 5 years

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00:58:16

Bitcoin Optech: Newsletter #214 Recap

Bitcoin Optech Podcast ·

2022/08/25

Mark “Murch” Erhardt and Mike Schmidt are joined by Antoine Riard and Rodolfo Novak to discuss Newsletter #214. News Overview of channel jamming attacks and mitigations (28:08) Updated silent payments PR (2:00) Changes to services and client software Purse.io adds Lightning support (10:05) Proof of concept coinjoin implementation joinstr (12:14) Coldcard firmware 5.0.6 released (14:48) Nunchuk adds taproot support (20:26) Notable code and documentation changes Bitcoin Core

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00:55:55

Bitcoin Optech: Newsletter #213 Recap

Bitcoin Optech Podcast ·

2022/08/18

Mark “Murch” Erhardt and Mike Schmidt are joined by Lloyd Fournier to discuss Newsletter #213. News Using Bitcoin-compatible BLS signatures for DLCs (1:59) Releases and release candidates Rust Bitcoin 0.29 (40:47) Core Lightning 0.12.0rc2 (43:02) Notable code and documentation changes Bitcoin Core #23480 (43:19) Bitcoin Core #22751 (44:50) Eclair #2273 (47:34) Eclair #2361 (50:27) LND #6810 (52:03) LND #6816 (53:10) BDK #640 (53:58)

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01:00:16

Bitcoin Optech: Newsletter #212 Recap

Bitcoin Optech Podcast ·

2022/08/11

Mark “Murch” Erhardt and Mike Schmidt are joined by Peter Todd, Larry Ruane, and Gloria Zhao to discuss Newsletter #212. News Lowering the default minimum transaction relay feerate (2:30) Bitcoin Core PR Review Club Decouple validation cache initialization from ArgsManager (31:25) Notable code and documentation changes Bitcoin Core #25610 (45:50) Bitcoin Core #24584 (49:27) Core Lightning #5071 (53:55) BDK #645 (55:05) BOLTs #911 (56:02)

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00:36:33

Bitcoin Optech: Newsletter #211 Recap

Bitcoin Optech Podcast ·

2022/08/03

Mark “Murch” Erhardt and Mike Schmidt are joined by Andrew Chow and Rodolfo Novak to discuss Newsletter #211. News Multiple derivation path descriptors (0:52) Notable code and documentation changes Core Lightning #5441 (23:26) Eclair #2253 (24:33) LDK #1519 (26:40) Rust Bitcoin #994 (29:37) Rust Bitcoin #1088 (32:50)

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00:58:36

Bitcoin Optech: Newsletter #210 Recap

Bitcoin Optech Podcast ·

2022/07/27

Mark “Murch” Erhardt and Mike Schmidt are joined by Ruben Somsen to discuss Newsletter #210. News Multiformat single-sig message signing (2:05) Proof of micro-burn (9:43) Selected Q&A from Bitcoin Stack Exchange Why do invalid signatures in `OP_CHECKSIGADD` not push to the stack? (30:41) What are packages in Bitcoin Core and what is their use case? (34:17) How much blockspace would it take to spend the complete UTXO set? (37:43) Does an uneconomical output need to be kept in the

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