Bitcoin Optech Podcast

By Bitcoin OptechNews Tech News

Bitcoin Optech Podcast episodes

May 18, 2023Bitcoin Optech: Newsletter #251 Recap
Mark “Murch” Erhardt and Mike Schmidt are joined by Gloria Zhao, Carla Kirk-Cohen, Severin Bühler, and Dan Gould to discuss Newsletter #251.

News
Testing HTLC endorsement (1:33)

Request for feedback on proposed specifications for LSPs (14:52)

Challenges with zero-conf channels when dual funding (20:59)

Advanced payjoin applications (24:51)

Summaries of Bitcoin Core developers in-person meeting (37:35)
Waiting for confirmation #1: why do we have a mempool? (51:07)
Releases and release candidates
Libsecp256k1 0.3.2 (1:04:21)

Core Lightning 23.05rc2 (1:05:07)

Bitcoin Core 23.2rc1 (1:05:20)

Bitcoin Core 24.1rc3 (1:05:20)

Bitcoin Core 25.0rc2 (1:05:20)
Notable code and documentation changes
Bitcoin Core #26076 (1:06:10)

Bitcoin Core #27608 (1:07:20)

LDK #2286 (1:08:27)

LDK #1794 (1:08:47)

Rust Bitcoin #1844 (1:09:08)

Rust Bitcoin #1837 (1:11:33)

BOLTs #1075 (1:12:04)
1 hr 14 min
May 11, 2023Bitcoin Optech: Newsletter #250 Recap
Mark “Murch” Erhardt and Mike Schmidt are joined by Larry Ruane and Thomas Hartman to discuss Newsletter #250.

News
Paper about PoWswap protocol (1:36)
Releases and release candidates
Core Lightning 23.05rc2 (19:17)

Bitcoin Core 24.1rc2 (23:05)

Bitcoin Core 25.0rc1 (25:35)
Bitcoin Core PR Review Club
Add getprioritisationmap, delete a mapDeltas entry when delta==0 (26:26)
Notable code and documentation changes
Bitcoin Core #26094 (45:42)

Bitcoin Core #27195 (46:42)

Eclair #1783 (48:34)

LND #7568 (50:11)

LDK #2044 (52:45)
Celebrating Optech Newsletter #250 (54:17)
56 min
May 04, 2023Bitcoin Optech: Newsletter #249 Recap
Mark “Murch” Erhardt and Mike Schmidt are joined by Salvatore Ingala, James O’Beirne, Adam Gibson, and Steve Lee to discuss Newsletter #249.

News
Job opportunity for project champions (1:17)

MATT-based vaults (12:29)

Analysis of signature adaptor security (33:40)
Releases and release candidates
LND v0.16.2-beta (56:25)

Core Lightning 23.05rc2 (57:20)
Notable code and documentation changes
Bitcoin Core #25158 (58:17)

Bitcoin Core #26933 (1:00:23)

Bitcoin Core #25325 (1:04:24)

Bitcoin Core #25939 (1:07:18)

LDK #2222 (1:12:31)

LDK #2208 (1:15:39)
1 hr 18 min
April 27, 2023Bitcoin Optech: Newsletter #248 Recap
Mark “Murch” Erhardt and Mike Schmidt are joined by Will Clark to discuss Newsletter #248.

News
Proposed removal of BIP35 `mempool` P2P message (0:41)
Selected Q&A from Bitcoin Stack Exchange
How many sigops are in the invalid block 783426? (15:27)

How would an adversary increase the required fee to replace a transaction by up to 500 times? (19:10)

Best Practices with Multiple CPFPs & CPFP + RBF? (22:51)
Releases and release candidates
LDK 0.0.115 (25:01)

LND v0.16.1-beta (25:48)

Core Lightning 23.05rc1 (27:01)
Notable code and documentation changes
LND #7564 (27:35)

LND #6903 (28:10)

LDK #2198 (29:40)

Bitcoin Inquisition #23 (32:37)
35 min
April 20, 2023Bitcoin Optech: Newsletter #247 Recap
Dave Harding and Mike Schmidt are joined by Maxim Orlovsky to discuss Newsletter #247.

News
RGB update (1:12)
Changes to services and client software
Descriptor wallet library adds block explorer (36:02)

Stratum v2 reference implementation update announced (38:02)

Liana 0.4 released (42:35)

Coldcard firmware supports additional sighash flags (46:12)

Zeus adds fee bumping features (45:12)

Utreexo-based Electrum Server announced (48:12)
Releases and release candidates
BDK 0.28.0 (53:08)

Core Lightning 23.02.2 (55:01)

Core Lightning 23.05rc1 (55:40)
Notable code and documentation changes
Bitcoin Core #27358 (56:57)

Core Lightning #6120 (1:01:14)

Eclair #2584 (1:04:54)
1 hr 10 min
April 13, 2023Bitcoin Optech: Newsletter #246 Recap
Mark “Murch” Erhardt and Mike Schmidt are joined by Lisa Neigut and Niklas Gögge to discuss Newsletter #246.

News
Splicing specification discussions (1:24)

Proposed BIP for transaction terminology (40:49)
Bitcoin Core PR Review Club
Don’t download witnesses for assumed-valid blocks when running in prune mode (43:42)
Releases and release candidates
Libsecp256k1 0.3.1 (53:10)

BDK 1.0.0-alpha.0 (58:08)
Notable code and documentation changes
Core Lightning #6012 (58:33)

Core Lightning #6124 (1:02:01)

Eclair #2607 (1:03:06)

LND #7437 (1:04:05)

LND #7069 (1:04:43)

BIPs #1372 (1:06:18)
1 hr 17 min
April 06, 2023Bitcoin Optech: Newsletter #245 Recap
Mark “Murch” Erhardt and Mike Schmidt are joined by Sergi Delgado Segura to discuss Newsletter #245.

News
Watchtower accountability proofs (0:36)
Releases and release candidates
LND v0.16.0-beta (21:37)

BDK 1.0.0-alpha.0 (22:06)
Notable code and documentation changes
Core Lightning #5967 (22:59)

Eclair #2566 (23:43)

LDK #2062 (24:57)

LDK #2125 (27:18)

BTCPay Server #4826 (27:56)

BTCPay Server #4782 (29:51)

BTCPay Server #4799 (30:15)

BOLTs #765 (31:37)
35 min
March 30, 2023Bitcoin Optech: Newsletter #244 Recap
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)

Eltoo: Does the relative locktime on the first UTXO set the lifetime of the channel? (47:34)

Releases and release candidates
Rust Bitcoin 0.30.0 (52:23)

LND v0.16.0-beta.rc5 (53:43)

BDK 1.0.0-alpha.0 (54:16)

Notable code and documentation changes
Bitcoin Core #27278 (54:45)

Bitcoin Core #26531 (1:00:26)

Core Lightning #5898 (1:03:23)

Core Lightning #5986 (1:05:21)

Eclair #2616 (1:07:43)

LDK #2024 (1:10:34)

Rust Bitcoin #1737 (1:12:43)

BTCPay Server #4608 (1:13:03)

BIPs #1425 (1:15:43)

Bitcoin Inquisition #22 (1:16:51)
1 hr 22 min
March 29, 2023Bitcoin Optech: Newsletter #243 Recap
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 CPFP support (18:46)

Sparrow v1.7.3 released (21:38)

Stack Wallet adds coin control, BIP47 (24:22)

Wasabi Wallet v2.0.3 released (26:26)
Releases and release candidates
LND v0.16.0-beta.rc3 (28:32)
Notable code and documentation changes
LND #7448 (29:16)

BDK #793 (36:03)
49 min
March 22, 2023Bitcoin Optech: Newsletter #242 Recap
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)
46 min