Bitcoin Optech Podcast Bitcoin Optech

Mark “Murch” Erhardt and Mike Schmidt are joined by Andrew Toth, Antoine Poinsot, and Tony Klausing to discuss ⁠Newsletter #304⁠.

News


Upgrading existing LN channels (1:27)
Challenges in rewarding pool miners (6:58)
Spending previously received SP outputs (12:40)
Proposed miniscript BIP (21:32)
Channel value pegging (31:42)

Changes to services and client software


Silent payment resources (43:50)
Cake Wallet adds silent payments (46:14)
Coordinator-less coinjoin PoC (46:26)
OCEAN adds BOLT12 support (47:10)
Coinbase adds Lightning support (48:57)
Bitcoin escrow tooling announced (49:20)
Block's call for mining community feedback (49:48)
Sentrum wallet tracker released (50:34)
Stack Wallet adds FROST support (51:19)
Transaction broadcast tool announced (53:41)

Releases and release candidates


Bitcoin Inquisition 27.0 (56:30)
LND v0.18.0-beta.rc2 (1:00:10)

Notable code and documentation changes


Bitcoin Core #27101 (1:00:30)
Bitcoin Core #30000 (1:01:27)
Bitcoin Core #28233 (1:02:42)
Core Lightning #7304 (1:09:41)
Core Lightning #7063 (1:10:18)
Rust Bitcoin #2740 (1:17:54)

Mark “Murch” Erhardt and Mike Schmidt are joined by Adam Gibson to discuss ⁠Newsletter #303⁠.

News


Anonymous usage tokens (1:58)
BIP39 seed phrase splitting (31:48)
Alternative to BitVM (38:05)
Continued discussion about updating BIP2 (40:41)

Releases and release candidates


LND v0.18.0-beta.rc2 (44:25)

Notable code and documentation changes


Core Lightning #7190 (44:51)
LDK #2973 (46:18)
LDK #2907 (48:21)
BDK #1403 (48:59)
BIPs #1458 (50:57)

Mark “Murch” Erhardt and Dave Harding are joined by Calvin Kim to discuss ⁠Newsletter #302⁠.

News


Release of utreexod beta (0:56)
BIP119 extensions for smaller hashes and arbitrary data commitments (20:15)

Releases and release candidates


LDK v0.0.123 (25:16)
LND v0.18.0-beta.rc2 (26:08)

Notable code and documentation changes


Bitcoin Core #29845 (28:16)
Core Lightning #7111 (29:34)
Libsecp256k1 #1518 (32:04)
Rust Bitcoin #2707 (34:30)
BIPs #1389 (37:29)
BIPs #1567 (42:21)
BIPs #1525 (44:08)

Mark “Murch” Erhardt and Mike Schmidt are joined by Ethan Heilman and Gloria Zhao to discuss ⁠Newsletter #301⁠.

News


Consensus-enforced lamport signatures on top of ECDSA signatures (1:00)

Bitcoin Core PR Review Club


Index TxOrphanage by wtxid, allow entries with same txid (31:04)

Releases and release candidates


Libsecp256k1 v0.5.0 (51:15)
LND v0.18.0-beta.rc1 (52:12)

Notable code and documentation changes


Bitcoin Core #28970 (26:33)
Bitcoin Core #28016 (53:05)
Bitcoin Core #29623 (57:00)

Mark “Murch” Erhardt and Mike Schmidt are joined by Tadge Dryja to discuss ⁠Newsletter #300⁠.

News


CTV-like exploding keys proposal (0:59)
Analyzing a contract protocol with Alloy (13:07)
Arrests of Bitcoin developers (22:37)
CoreDev.tech Berlin event (28:53)

Releases and release candidates


Bitcoin Inquisition 25.2 (31:35)
LND v0.18.0-beta.rc1 (35:59)

Notable code and documentation changes


Bitcoin Core #27679 (36:48)
Core Lightning #7240 (39:39)
Eclair #2851 (44:02)
LND #8147 (45:49)
LND #8627 (47:37)
Libsecp256k1 #1058 (1:00:01)
BIPs #1382 (1:02:01)
BIPs #1068 (1:03:35)

Mark “Murch” Erhardt and Mike Schmidt are joined by Gregory Sanders to discuss ⁠Newsletter #299⁠.



News


Weak blocks proof-of-concept implementation (0:56)
BIP editors update (20:08)

Selected Q&A from Bitcoin Stack Exchange


Where exactly is the off-by-one difficulty bug? (26:44)
How is P2TR different than P2PKH using opcodes from a developer perspective? (32:10)
Are replacement transactions larger in size than their predecessors and than non-RBF transactions? (34:15)
Are Bitcoin signatures still vulnerable to nonce reuse? (36:59)
How do miners manually add transactions to a block template? (39:48)

Releases and release candidates


LND v0.17.5-beta (41:40)

Notable code and documentation changes


Bitcoin Core #29850 (46:35)