Bitcoin Optech Podcast

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

  1. -5 J

    Bitcoin Optech: Newsletter #391 Recap

    Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by Toby Sharp, Chris Hyunhum Cho, Jonas Nick, and Antoine Poinsot to discuss ⁠Newsletter #391⁠. News ● A constant-time parallelized UTXO database (25:40) ● Bithoven: A formally verified, imperative language for Bitcoin Script (44:48) ● Discussion of dust attack mitigations (1:43:33) Changing consensus ● SHRINCS: 324-byte stateful post-quantum signatures with static backups (1:30) ● Addressing remaining points on BIP54 (1:10:08) ● Falcon post-quantum signature scheme proposal (20:05) ● SLH-DSA verification can compete with ECC (23:28) Releases and release candidates ● LDK 0.1.9 (1:50:27) Notable code and documentation changes ● Bitcoin Core #33604 (1:53:10) ● Bitcoin Core #34358 (1:54:58) ● Core Lightning #8824 (1:56:20) ● Eclair #3244 (1:58:17) ● LDK #4263 (2:00:07) ● LDK #4300 (2:01:54) ● LND #10473 (2:03:57) ● Rust Bitcoin #5493 (2:07:36)

    2 h 10 min

  2. 4 FÉVR.

    Bitcoin Optech: Newsletter #390 Recap

    Mark “Murch” Erhardt and Gustavo Flores Echaiz are joined by Liam Eagen to discuss Newsletter #390. News ● Argo: a garbled-circuits scheme with more efficient off-chain computation (0:48) ● LN-Symmetry update (26:05) Selected Q&A from Bitcoin Stack Exchange ● What is stored in dbcache and with what priority? (34:21) ● Can one do a coinjoin in Shielded CSV? (24:02) ● In Bitcoin Core, how to use Tor for broadcasting new transactions only? (36:47) ● Brassard-Høyer-Tapp (BHT) algorithm and Bitcoin (BIP360) (38:31) ● Why does BitHash alternate sha256 and ripmed160? (39:24) Releases and release candidates ● Libsecp256k1 0.7.1 (41:09) Notable code and documentation changes ● Bitcoin Core #33822 (42:59) ● Bitcoin Core #34269 (44:50) ● Core Lightning #8850 (47:38) ● LDK #4349 (49:16) ● Rust Bitcoin #5470 (50:54) ● Rust Bitcoin #5443 (51:26) ● BDK #2037 (52:51) ● BIPs #2076 (55:49) ● BIPs #1500 (59:39)

    1 h 3 min

  3. 27 JANV.

    Bitcoin Optech: Newsletter #389 Recap

    Mark “Murch” Erhardt and Mike Schmidt are joined by René Pickhardt to discuss ⁠Newsletter #389⁠. News ● A mathematical theory of payment channel networks (0:31) Changes to services and client software ● Electrum server for testing silent payments (30:04) ● BDK WASM library (33:28) Releases and release candidates ● Core Lightning 25.12.1 (35:14) ● LND 0.20.1-beta.rc1 (39:14) Notable code and documentation changes ● Bitcoin Core #32471 (40:57) ● Bitcoin Core #34146 (42:02) ● Core Lightning #8831 (45:00) ● LDK #4261 (45:35) ● LDK #4152 (46:24) ● LND #10488 (47:42) ● LND #10331 (48:43) ● Rust Bitcoin #5402 (49:06) ● BIPs #1820 (50:39) ● BOLTs #1306 (51:41) ● BLIPs #59 (53:05)

    54 min

  4. 20 JANV.

    Bitcoin Optech: Newsletter #388 Recap

    Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by Bruno Garcia to discuss ⁠Newsletter #388⁠. News ● An overview of incremental mutation testing in Bitcoin Core (0:43) ● BIP process updated (18:53) Releases and release candidates ● Bitcoin Core 30.2 (26:31) ● BTCPay Server 2.3.3 (27:23) Notable code and documentation changes ● Bitcoin Core #33819 (28:42) ● Bitcoin Core #29415 (31:44) ● Core Lightning #8830 (42:16) ● Eclair #3233 (44:19) ● Eclair #3237 (47:59) ● LDK #4232 (50:00) ● LND #10296 (52:24) ● BTCPay Server #7068 (53:43) ● BIPs #1982 (55:37)

    59 min

  5. 14 JANV.

    Bitcoin Optech: Newsletter #387 Recap

    Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by René Pickhardt and Craig Raw to discuss ⁠Newsletter #387⁠. News ● Bitcoin Core wallet migration bug (0:55) ● Using Ark as a channel factory (7:47) ● Draft BIP for silent payment descriptors (29:02) Releases and release candidates ● Bitcoin Core 30.2rc1 (58:34) Notable code and documentation changes ● Bitcoin Core #34156 (59:32) ● Bitcoin Core #34085 (1:03:54) ● Bitcoin Core #34197 (1:07:43) ● Bitcoin Core #33135 (1:09:10) ● LDK #4213 (1:11:02) ● Eclair #3217 (1:15:39) ● LND #10367 (1:18:49) ● Rust Bitcoin #5450 (1:22:51) ● Rust Bitcoin #5434 (1:23:40)

    1 h 24 min

  6. 6 JANV.

    Bitcoin Optech: Newsletter #386 Recap

    Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by Anthony Towns and Mikhail Kudinov to discuss ⁠Newsletter #386⁠. News ● Building a vault using blinded co-signers (1:04:09) ● Peer feature negotiation (1:40) Changing consensus ● Year 2106 timestamp overflow uint64 migration (1:07:47) ● Relax BIP54 timestamp restriction for 2106 soft fork (1:11:36) ● Understanding and mitigating a CTV footgun (1:16:30) ● CTV activation meeting (1:21:00) ● `OP_CHECKCONSOLIDATION` to enable cheaper consolidations (1:23:11) ● Hash-based signatures for Bitcoin's post-quantum future (20:47) Releases and release candidates ● BTCPay Server 2.3.0 (1:28:29) Notable code and documentation changes ● Bitcoin Core #33657 (1:30:25) ● Bitcoin Core #32414 (1:33:23) ● Bitcoin Core #32545 (1:39:18) ● Bitcoin Core #33892 (1:42:13) ● Core Lightning #8784 (1:44:35) ● LND #9489 (1:45:54) ● BIPs #2051 (1:50:09) ● BOLTs #1299 (1:56:39) ● BOLTs #1305 (1:59:46)

    2 h 2 min

  7. 24/12/2025

    Bitcoin Optech: Newsletter #385: 2025 Year-in-Review Special Recap

    Mark “Murch” Erhardt and Mike Schmidt are joined by Bastien Teinturier, Rearden Code, and Pieter Wuille to discuss Newsletter #385: 2025 Year-in-Review Special. January ● Updated ChillDKG draft (43:08) ● Offchain DLCs (45:53) ● Compact block reconstructions (2:29:27) February ● Erlay update (1:53:55) ● LN ephemeral anchor scripts (0:50) ● Probabilistic payments (54:45) March ● Bitcoin Forking Guide (3:29:35) ● Private block template marketplace to prevent centralizing MEV (3:05:28) ● LN upfront and hold fees using burnable outputs (13:12) April ● SwiftSync speedup for initial block download (2:09:35) ● DahLIAS interactive aggregate signatures (3:26:02) Summary 2025: Quantum (58:07) May ● Cluster mempool (1:22:11) ● Increasing or removing Bitcoin Core’s OP_RETURN policy limit (2:45:43) June ● Calculating the selfish mining danger threshold (2:20:39) ● Fingerprinting nodes using addr messages (3:11:38) ● Garbled locks (3:19:01) Summary 2025: Soft fork proposals (26:57) July ● Chain code delegation (49:07) August ● Utreexo draft BIPs (2:15:57) ● Lowering the minimum relay feerate (2:39:52) ● Peer block template sharing (2:56:01) ● Differential fuzzing of Bitcoin and LN implementations (3:16:08) Summary 2025: Stratum v2 (2:04:49) September ● Details about the design of Simplicity (3:23:01) ● Partitioning and eclipse attacks using BGP interception (3:13:47) October ● Discussions about arbitrary data (3:01:15) ● Channel jamming mitigation simulation results and updates (11:05) November ● Comparing performance of ECDSA signature validation in OpenSSL vs. libsecp256k1 (2:01:47) ● Modeling stale rates by propagation delay and mining centralization (2:22:32) ● BIP3 and the BIP process (3:31:37) ● Bitcoin Kernel C API introduced (3:35:35) December ● Splicing (7:33)

    3 h 43 min

  8. 16/12/2025

    Bitcoin Optech: Newsletter #384 Recap

    Mark “Murch” Erhardt, Gustavo Flores Echaiz, and Mike Schmidt are joined by Matt Morehouse and Salvatore Ingala to discuss ⁠Newsletter #384⁠. News ● Critical vulnerabilities fixed in LND 0.19.0 (0:59) ● A virtualized secure enclave for hardware signing devices (21:11) Changes to services and client software ● Interactive transaction visualization tool (37:16) ● BlueWallet v7.2.2 released (38:20) ● Stratum v2 updates (38:42) ● Auradine announces Stratum v2 support (40:18) ● LDK Node 0.7.0 released (41:58) ● BIP-329 Python Library 1.0.0 release (43:30) ● Bitcoin Safe 1.6.0 released (44:34) Selected Q&A from Bitcoin Stack Exchange ● Does a clearnet connection to my Lightning node require a TLS certificate? (45:12) ● Why do different implementations produce different DER signatures for the same private key and hash? (45:58) ● Why is the miniscript `after` value limited at 0x80000000? (49:27) Notable code and documentation changes ● Bitcoin Core #33528 (53:12) ● Bitcoin Core #33723 (54:17) ● Bitcoin Core #33993 (56:35) ● Bitcoin Core #33553 (59:54) ● Eclair #3220 (1:01:52) ● LDK #4231 (1:02:48) ● LND #10396 (1:05:40) ● BTCPay Server #7022 (1:08:26) ● Rust Bitcoin #5379 (1:09:32) ● BIPs #2050 (1:10:06)

    1 h 13 min
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À propos

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

Informations

  • Création
    Bitcoin Optech
  • Années d’activité
    2023 - 2026
  • Épisodes
    185
  • Classification
    Tous publics
  • Copyright
    © Bitcoin Optech
  • Site web de l’émission
    Bitcoin Optech Podcast

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