Bitcoin Optech Podcast – Details, episodes & analysis

Mark “Murch” Erhardt and Mike Schmidt are joined by Bob McElrath and moonsettler to discuss ⁠Newsletter #317⁠.

News

• Simple (but imperfect) anti-exfiltration protocol (0:53)

Changes to services and client software

• Proton Wallet announced (23:33)
• CPUNet testnet announced (25:38)
• Lightning.Pub launches (38:52)
• Taproot Assets v0.4.0-alpha released (39:45)
• Stratum v2 benchmarking tool released (41:31)
• STARK verification PoC on signet (42:52)
• SeedSigner 0.8.0 released (48:48)
• Floresta 0.6.0 released (50:25)

Releases and release candidates

• Core Lightning 24.08rc2 (51:52)
• LND v0.18.3-beta.rc1 (52:33)

Notable code and documentation changes

• Bitcoin Core #28553 (53:18)
• Bitcoin Core #30246 (56:39)
• Bitcoin Core GUI #824 (1:02:10)
• Core Lightning #7540 (1:04:20)
• Core Lightning #7403 (1:05:20)
• LND #8943 (1:06:13)
• BDK #1478 (1:07:26)
• BDK #1533 (1:08:12)
• BOLTs #1182 (1:11:49)
• BLIPs #39 (1:12:55)

Mark “Murch” Erhardt and Mike Schmidt are joined by Bastien Teinturier and Hennadii Stepanov to discuss Newsletter #316.

News

• New time warp vulnerability in testnet4 (1:05)
• Onion message DoS risk discussion (14:20)
• Optional identification and authentication of LN payers (28:04)
• Bitcoin Core switch to CMake build system (36:15)

Releases and release candidates

• BDK 1.0.0-beta.1 (53:55)
• Core Lightning 24.08rc2 (54:10)
• LND v0.18.3-beta.rc1 (54:29)

Notable code and documentation changes

• Bitcoin Core #29519 (55:01)
• Bitcoin Core #30598 (59:29)
• Bitcoin Core #28280 (1:02:18)
• Bitcoin Core #28052 (1:04:47)
• Core Lightning #7528 (1:08:01)
• Core Lightning #7533 (1:10:11)
• Core Lightning #7517 (1:11:19)
• LND #8955 (1:13:08)
• LND #8886 (1:14:39)
• LND #8967 (1:19:45)
• LDK #3215 (1:22:13)
• BLIPs #27 (1:26:27)

Mark “Murch” Erhardt and Mike Schmidt are joined by Hunter Beast and TheCharlatan to discuss Newsletter #307.

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)

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)

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? (35:50)
• What was the bug for the Bitcoin value overflow in 2010? (41:03)

Releases and release candidates

• LND 0.15.1-beta (45:13)

Notable code and documentation changes

• Bitcoin Core #23202 (45:38)
• Eclair #2275 (49:36)
• Eclair #2387 (52:01)
• LDK #1652 (56:21)
• HWI #627 (58:00)
• BDK #718 (1:00:47)
• BDK #705 (1:02:19)

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 #25504 (47:46)
• Eclair #2234 (49:10)
• LDK #1503 (50:03)
• LND #6596 (53:30)
• BOLTs #1004 (54:05)

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)

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)

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)