Bitcoin Optech Podcast

Bitcoin Optech
  • 5.0 (2)
  • TECH NEWS
  • UPDATED WEEKLY
Bitcoin Optech Podcast

Join Bitcoin Optech as we discuss Bitcoin and Lightning technology each week and review our newsletters. https://bitcoinops.org/

  1. 5 DAYS AGO

    Bitcoin Optech: Newsletter #341 Recap

    Mark “Murch” Erhardt and Mike Schmidt discuss Newsletter #341. News ● Continued discussion about probabilistic payments (0:34) ● Continued discussion about ephemeral anchor scripts for LN (7:26) ● Stats on orphan evictions (14:31) ● Updated proposal for updated BIP process (27:08) Bitcoin Core PR Review Club ● Cluster mempool: introduce TxGraph (35:43) Releases and release candidates ● LND v0.18.5-beta (43:48) ● Bitcoin Inquisition 28.1 (44:10) Notable code and documentation changes ● Bitcoin Core #25832 (51:43) ● Eclair #2989 (55:49) ● LDK #3440 (56:36) ● LND #9470 (57:14) ● BTCPay Server #6580 (58:15)

    1 hr

  2. FEB 14

    Bitcoin Optech: Newsletter #340 Recap

    Mark “Murch” Erhardt and Mike Schmidt are joined by Matt Morehouse, Johan Halseth, Pieter Wuille, Sergi Delgado, Bastien Teinturier, Oleksandr Kurbatov, Antoine Poinsot and Bob McElrath to discuss Newsletter #340. News ● Channel force closure vulnerability in LDK (2:14) ● Zero-knowledge gossip for LN channel announcements (16:01) ● Discovery of previous research for finding optimal cluster linearization (26:29) ● Erlay update (46:38) ● Tradeoffs in LN ephemeral anchor scripts (1:09:50) ● Emulating OP_RAND (1:30:30) ● Discussion about lowering the minimum transaction relay feerate (1:36:33) Changing consensus ● Updates to cleanup soft fork proposal (1:43:46) ● Request for a covenant design supporting Braidpool (2:28:59) ● Deterministic transaction selection from a committed mempool (2:04:52) ● Fast difficulty adjustment algorithm for a DAG blockchain (2:19:24) Releases and release candidates ● BDK Wallet 1.1.0 (2:39:15) ● LND v0.18.5-beta.rc1 (2:39:43) Notable code and documentation changes ● Bitcoin Core #21590 (38:58) ● Eclair #2983 (1:23:30) ● Eclair #2968 (1:27:53) ● LDK #3556 (2:40:31) ● LND #9456 (2:41:10)

    2h 43m

  3. FEB 7

    Bitcoin Optech: Newsletter #339 Recap

    Mark “Murch” Erhardt and Dave Harding are joined by Matt Morehouse and 0xB10C to discuss Newsletter #339. News ● Vulnerability in LDK claim processing (0:47) ● Replacement cycling attacks with miner exploitation (17:28) ● Updated stats on compact block reconstruction (23:56) Selected Q&A from Bitcoin Stack Exchange ● Who uses or wants to use PSBTv2 (BIP370)? (32:38) ● In the bitcoin's block genesis, which parts can be filled arbitrarily? (34:41) ● Lightning force close detection (36:47) ● Is a segwit-formatted transaction with all inputs of non-witness program type valid? (40:01) ● P2TR Security Question (41:41) ● What exactly is being done today to make Bitcoin quantum-safe? (44:27) ● What are the harmful effects of a shorter inter-block time? (47:57) ● Could proof-of-work be used to replace policy rules? (51:19) ● How does MuSig work in real Bitcoin scenarios? (54:54) ● How does the -blocksxor switch that obfuscates the blocks.dat files work? (57:18) ● How does the related key attack on Schnorr signatures work? (59:42) Releases and release candidates ● LDK v0.1.1 (1:01:19) Notable code and documentation changes ● Bitcoin Core #31376 (1:03:24) ● Bitcoin Core #31583 (1:04:48) ● Bitcoin Core #31590 (1:05:40) ● Eclair #2982 (1:07:17) ● BDK #1614 (1:11:39) ● BOLTs #1110 (1:12:08)

    1h 16m

  4. JAN 28

    Bitcoin Optech: Newsletter #338 Recap

    Mark “Murch” Erhardt and Mike Schmidt are joined by Andrew Toth and Dave Harding to discuss ⁠Newsletter #338⁠. News - Draft BIP for unspendable keys in descriptors (0:49) - PSBTv2 integration testing (9:55) - Correction about offchain DLCs (15:25) Changes to services and client software - Bull Bitcoin Mobile Wallet adds payjoin (28:10) - Bitcoin Keeper adds miniscript support (28:52) - Nunchuk adds taproot MuSig2 features (29:26) - Jade Plus signing device announced (32:08) - Coinswap v0.1.0 released (32:36) - Bitcoin Safe 1.0.0 released (35:14) - Bitcoin Core 28.0 policy demonstration (35:41) - Rust-payjoin 0.21.0 released (36:21) - PeerSwap v4.0rc1 (37:34) - Joinpool prototype using CTV (38:24) - Rust joinstr library announced (39:58) - Strata bridge announced (40:36) Releases and release candidates - BTCPay Server 2.0.6 (41:41) Notable code and documentation changes - Bitcoin Core #31397 (42:19) - Eclair #2896 (44:21) - LDK #3408 (46:02) - LND #9405 (47:57)

    50 min

  5. JAN 21

    Bitcoin Optech: Newsletter #337 Recap

    Mark “Murch” Erhardt and Mike Schmidt are joined by vnprc to discuss ⁠⁠Newsletter #337⁠⁠. News - Continued discussion about rewarding pool miners with tradeable ecash shares (0:35) - Offchain DLCs (38:32) Releases and release candidates - LDK v0.1 (39:34) Notable code and documentation changes - Eclair #2936 (41:32) - Rust Bitcoin #3792 (42:46) - BDK #1789 (43:42) - BIPs #1687 (46:39) - BIPs #1396 (50:15)

    53 min

  6. JAN 14

    Bitcoin Optech: Newsletter #336 Recap

    Mark “Murch” Erhardt and Mike Schmidt are joined by Abubakar Sadiq Ismail, Gregory Sanders, and Daniel Roberts to discuss ⁠Newsletter #336⁠. News Investigating mining pool behavior before fixing a Bitcoin Core bug (1:07) Contract-level relative timelocks (15:04) Multiparty LN-Symmetry variant with penalties for limiting published updates (29:06) Releases and release candidates Bitcoin Core 28.1 (39:54) BDK 0.30.1 (40:45) LDK v0.1.0-beta1 (42:01) Notable code and documentation changes Bitcoin Core #28121 (42:22) BDK #1592 (43:14)

    47 min

  7. JAN 7

    Bitcoin Optech: Newsletter #335 Recap

    Dave Harding and Mike Schmidt are joined by Yuval Kogman, Jeremy Rubin, and Steve Myers to discuss ⁠Newsletter #335⁠. News Deanonymization attacks against centralized coinjoin (1:39) Updated ChillDKG draft (14:09) Changing consensus CTV enhancement opcodes (18:41) Adjusting difficulty beyond 256 bits (31:52) Transitory soft forks for cleanup soft forks (33:44) Quantum computer upgrade path (48:09) Consensus cleanup timewarp grace period (56:10) Releases and release candidates BDK wallet-1.0.0 (1:06:44) LND 0.18.4-beta (1:17:28) Core Lightning v24.11.1 (1:18:13) Bitcoin Core 28.1rc2 (1:18:47) LDK v0.1.0-beta1 (1:19:37) Notable code and documentation changes Bitcoin Core #31223 (1:20:19) Eclair #2888 (1:21:09) LDK #3495 (1:22:35) LDK #3436 (1:24:31) LDK #3435 (1:25:02) LDK #3365 (1:26:04) LDK #3340 (1:26:41) BDK #1670 (1:28:47) BIPs #1689 (1:31:45) BIPs #1697 (1:33:49) BLIPs #52 (1:34:21) BLIPs #54 (1:35:40)

    1h 37m

  8. 12/23/2024

    Bitcoin Optech: Newsletter #334: 2024 Year-in-Review Special Recap

    Mark “Murch” Erhardt and Mike Schmidt are joined by Dave Harding, Niklas Gögge, Gloria Zhao, and Rearden to discuss ⁠Newsletter #334: 2024 Year-in-Review Special⁠. January Fee-dependent timelocks (16:18) Optimized contract protocol exits (17:20) LN-Symmetry proof-of-concept implementation (18:22) February Replace by feerate (22:32) Human-readable payment instructions (27:25) Improved ASMap generation (28:09) LN dual funding (32:33) Trustless betting on future feerates (32:56) Summary 2024: Vulnerability disclosures (7:05) March BINANAs and BIPs (33:33) Enhanced feerate estimation (34:41) More efficient transaction sponsorship (46:08) April Consensus cleanup (50:06) Reforming the BIPs process (51:08) Inbound routing fees (53:10) Weak blocks (54:01) Restarting testnet (57:43) Developers arrested (1:00:06) Summary 2024: Cluster mempool (1:01:10) May Silent payments (1:06:51) BitVMX (1:07:37) Anonymous usage tokens (1:09:50) LN channel upgrades (1:12:00) Ecash for pool miners (1:13:33) Miniscript specification (1:14:54) Utreexo beta (1:16:16) June LN payment feasibility and channel depletion (1:18:17) Quantum-resistant transaction signing (1:20:02) Summary 2024: P2P transaction relay (1:20:39) July Blinded paths for BOLT11 invoices (1:31:07) ChillDKG key generation for threshold signatures (1:31:47) BIPs for MuSig and threshold signatures (1:32:18) August Hyperion network simulator (1:33:00) Full RBF (1:33:56) Summary 2024: Covenants and script upgrades (2:08) September Hybrid jamming mitigation tests and tweaks (1:35:10) Shielded CSV (1:38:40) LN offline payments (1:41:22) October BOLT12 offers (1:42:34) Mining interfaces, block withholding, and share validation cost (1:43:13) Summary 2024: Major releases of popular infrastructure projects (1:50:41) November SuperScalar timeout tree channel factories (1:51:19) Fast and cheap low-value offchain payment resolution (1:53:29) Summary 2024: Bitcoin Optech (1:55:17)

    1h 60m
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Ratings & Reviews

5
out of 5
2 Ratings

About

Join Bitcoin Optech as we discuss Bitcoin and Lightning technology each week and review our newsletters. https://bitcoinops.org/

Information

  • Creator
    Bitcoin Optech
  • Years Active
    2023 - 2025
  • Episodes
    135
  • Rating
    Clean
  • Copyright
    © Bitcoin Optech
  • Show Website
    Bitcoin Optech Podcast

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