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Bitcoin Optech: Newsletter #322 Recap
Manage episode 443066795 series 3545835
内容由Bitcoin Optech提供。所有播客内容(包括剧集、图形和播客描述)均由 Bitcoin Optech 或其播客平台合作伙伴直接上传和提供。如果您认为有人在未经您许可的情况下使用您的受版权保护的作品,您可以按照此处概述的流程进行操作https://zh.player.fm/legal。
Jon Atack and Mike Schmidt are joined by Gloria Zhao and Jonas Nick to discuss Newsletter #322.
News
- Disclosure of vulnerability affecting Bitcoin Core versions before 24.0.1 (2:01)
- Hybrid jamming mitigation testing and changes (17:51)
- Shielded client-side validation (CSV) (25:28)
- Draft of updated BIP process (48:47)
Selected Q&A from Bitcoin Stack Exchange
- What specific verifications are done on a fresh Bitcoin TX and in what order? (54:31)
- Why is my bitcoin directory larger than my pruning data limit setting? (55:42)
- What do I need to have set up to have `getblocktemplate` work? (58:19)
- Can a silent payment address body be brute forced? (1:00:02)
- Why does a tx fail `testmempoolaccept` BIP125 replacement but is accepted by `submitpackage`? (1:01:38)
- How does the ban score algorithm calculate a ban score for a peer? (1:03:53)
Releases and release candidates
- BDK 1.0.0-beta.4 (1:06:41)
- Bitcoin Core 28.0rc2 (1:06:57)
Notable code and documentation changes
- Eclair #2909 (1:10:15)
- LND #9095 (1:11:12)
- LND #8044 (1:11:55)
145集单集
Manage episode 443066795 series 3545835
内容由Bitcoin Optech提供。所有播客内容(包括剧集、图形和播客描述)均由 Bitcoin Optech 或其播客平台合作伙伴直接上传和提供。如果您认为有人在未经您许可的情况下使用您的受版权保护的作品,您可以按照此处概述的流程进行操作https://zh.player.fm/legal。
Jon Atack and Mike Schmidt are joined by Gloria Zhao and Jonas Nick to discuss Newsletter #322.
News
- Disclosure of vulnerability affecting Bitcoin Core versions before 24.0.1 (2:01)
- Hybrid jamming mitigation testing and changes (17:51)
- Shielded client-side validation (CSV) (25:28)
- Draft of updated BIP process (48:47)
Selected Q&A from Bitcoin Stack Exchange
- What specific verifications are done on a fresh Bitcoin TX and in what order? (54:31)
- Why is my bitcoin directory larger than my pruning data limit setting? (55:42)
- What do I need to have set up to have `getblocktemplate` work? (58:19)
- Can a silent payment address body be brute forced? (1:00:02)
- Why does a tx fail `testmempoolaccept` BIP125 replacement but is accepted by `submitpackage`? (1:01:38)
- How does the ban score algorithm calculate a ban score for a peer? (1:03:53)
Releases and release candidates
- BDK 1.0.0-beta.4 (1:06:41)
- Bitcoin Core 28.0rc2 (1:06:57)
Notable code and documentation changes
- Eclair #2909 (1:10:15)
- LND #9095 (1:11:12)
- LND #8044 (1:11:55)
145集单集
Όλα τα επεισόδια
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Bitcoin Optech Podcast

Mark “Murch” Erhardt and Mike Schmidt are joined by Jonas Nick and Salvatore Ingala to discuss Newsletter #351 . News ● Interactive aggregate signatures compatible with secp256k1 (0:50) ● Standardized backup for wallet descriptors (21:34) Selected Q&A from Bitcoin Stack Exchange ● Practicality of half-aggregated schnorr signatures? (17:16) ● What's the largest size OP_RETURN payload ever created? (41:17) ● Non-LN explanation of pay-to-anchor? (43:29) ● Up-to-date statistics about chain reorganizations? (48:08) ● Are Lightning channels always P2WSH? (52:33) ● Child-pays-for-parent as a defense against a double spend? (53:40) ● What values does CHECKTEMPLATEVERIFY hash? (59:06) ● Why can't Lightning nodes opt to reveal channel balances for better routing efficiency? (59:32) ● Does post-quantum require hard fork or soft fork? (1:02:27) Releases and release candidates ● LND 0.19.0-beta.rc3 (1:07:39) Notable code and documentation changes ● Bitcoin Core #31247 (1:07:58) ● LDK #3601 (1:10:14)…
Mark “Murch” Erhardt and Mike Schmidt are joined by Niklas Gögge to discuss Newsletter #350 . Changes to services and client software ● Bitcoin Knots version 28.1.knots20250305 released (11:26) ● PSBTv2 explorer announced (13:51) ● LNbits v1.0.0 released (14:38) ● The Mempool Open Source Project® v3.2.0 released (15:22) ● Coinbase MPC library released (17:25) ● Lightning Network liquidity tool released (21:20) ● Versioned Storage Service announced (22:25) ● Fuzz testing tool for Bitcoin nodes (1:17) ● Bitcoin Control Board components open-sourced (23:50) Releases and release candidates ● Bitcoin Core 29.0 (25:13) ● LND 0.19.0-beta.rc2 (34:41) Notable code and documentation changes ● LDK #3593 (35:04) ● BOLTs #1242 (35:57) Correction (37:38)…
Mark “Murch” Erhardt and Dave Harding are joined by Sebastian Falbesoner, Ruben Somsen, and Abubakar Sadiq Ismail to discuss Newsletter #349 . News ● SwiftSync speedup for initial block download (0:34) Bitcoin Core PR Review Club ● Add Fee rate Forecaster Manager (29:33) Releases and release candidates ● Core Lightning 25.02.1 (46:54) ● Core Lightning 24.11.2 (47:03) ● BTCPay Server 2.1.0 (48:14) ● Bitcoin Core 29.0rc3 (49:25) ● LND 0.19.0-beta.rc2 (51:21) Notable code and documentation changes ● LDK #2256 (53:52) ● LND #9669 (56:16) ● Rust Bitcoin #4302 (57:24)…
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Bitcoin Optech Podcast

Mark “Murch” Erhardt and Mike Schmidt are joined by Jonas Nick, Jameson Lopp, Steven Roose, Gregory Sanders, and Salvatore Ingala to discuss Newsletter #348 . News ● Educational and experimental-based secp256k1 implementation (1:09) Changing consensus ● Should vulnerable bitcoins be destroyed? (9:17) ● Securely proving UTXO ownership by revealing a SHA256 preimage (34:52) ● Draft BIP for destroying quantum-insecure bitcoins (44:01) ● Criticism of CTV motivation (51:16) ● CTV+CSFS benefits (1:06:02) ● Benefit of CTV to Ark users (1:24:37) ● OP_CHECKCONTRACTVERIFY semantics (1:31:49) ● Draft BIP published for consensus cleanup (1:58:29) Releases and release candidates ● BDK wallet 1.2.0 (2:06:03) ● LDK v0.1.2 (2:06:48) ● Bitcoin Core 29.0rc3 (2:07:13) ● LND 0.19.0-beta.rc1 (2:08:36) Notable code and documentation changes ● Bitcoin Core #31363 (2:09:03) ● Bitcoin Core #31278 (2:09:44) ● Eclair #3050 (2:12:41) ● Eclair #2963 (2:13:54) ● Eclair #3045 (2:14:44) ● LDK #3670 (2:15:47) ● LND #9620 (2:16:24)…
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Bitcoin Optech Podcast

Mark “Murch” Erhardt and Mike Schmidt are joined by Sjors Provoost and Antoine Poinsot to discuss Newsletter #347 . News ● LN upfront and hold fees using burnable outputs (0:54) ● Discussion of testnets 3 and 4 (5:11) ● Plan to relay certain taproot annexes (19:01) Selected Q&A from Bitcoin Stack Exchange ● Why is the witness commitment optional? (24:58) ● Can all consensus valid 64 byte transactions be (third party) malleated to change their size? (36:39) ● How long does it take for a transaction to propagate through the network? (47:37) ● Utility of longterm fee estimation (49:31) ● Why are two anchor outputs are used in the LN? (54:34) ● Why are there no BIPs in the 2xx range? (57:19) ● Why doesn't Bech32 use the character b? (59:55) ● Bech32 error detection and correction reference implementation (1:00:23) ● How to safely spend/burn dust? (1:02:48) ● How is the refund transaction in Asymmetric Revocable Commitments constructed? (1:07:34) ● Which applications use ZMQ with Bitcoin Core? (42:15) Releases and release candidates ● Bitcoin Core 29.0rc2 (1:08:21) ● LND 0.19.0-beta.rc1 (1:08:55) Notable code and documentation changes ● Bitcoin Core #31603 (45:12) ● Eclair #3044 (1:09:45) ● Eclair #3026 (1:10:38) ● LDK #3649 (1:11:02) ● LDK #3665 (1:11:59) ● LND #8453 (1:14:28) ● BIPs #1792 (1:16:00) ● BIPs #1782 (1:16:40)…
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Bitcoin Optech Podcast

Mark “Murch” Erhardt and Mike Schmidt are joined by Matt Morehouse, Yong Yu, Alejandro De La Torre, Jan B, and Marco De Leon to discuss Newsletter #346 . News ● Discussion of LND's dynamic feerate adjustment system (1:24) Changes to services and client software ● Wally 1.4.0 released (17:17) ● Bitcoin Core Config Generator announced (18:05) ● A regtest development environment container (18:55) ● Explora transaction visualization tool (20:17) ● Hashpool v0.1 tagged (21:35) ● DMND launching pooled mining (24:36) ● Krux adds taproot and miniscript (22:21) ● Source-available secure element announced (23:01) ● Nunchuk launches Group Wallet (45:04) ● FROSTR protocol announced (46:03) ● Bark launches on signet (46:57) ● Cove Bitcoin wallet announced (48:43) Releases and release candidates ● Bitcoin Core 29.0rc2 (50:38) Notable code and documentation changes ● Bitcoin Core #31649 (1:03:19) ● Bitcoin Core #31283 (37:27) ● Eclair #3037 (1:15:29) ● LND #9546 (1:16:33) ● LND #9458 (1:17:17) ● BTCPay Server #6581 (1:18:10) ● BDK #1839 (1:20:59) ● BOLTs #1233 (15:39)…
Mark “Murch” Erhardt and Mike Schmidt are joined by Sindura Saraswathi, Christian Kümmerle, and Stéphan Vuylsteke to discuss Newsletter #345 . News ● P2P traffic analysis (1:35) ● Research into single-path LN pathfinding (6:45) ● Probabilistic payments using different hash functions as an xor function (21:17) Bitcoin Core PR Review Club ● Stricter internal handling of invalid blocks (26:12) Releases and release candidates ● Eclair v0.12.0 (37:49) Notable code and documentation changes ● Bitcoin Core #31407 (38:52) ● Eclair #3027 (43:22) ● Eclair #3007 (44:17) ● Eclair #2976 (44:57) ● LDK #3608 (47:17) ● LDK #3624 (48:12) ● LDK #3016 (50:28) ● LDK #3629 (52:15) ● BDK #1838 (53:06)…
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Bitcoin Optech Podcast

Mark “Murch” Erhardt and Mike Schmidt are joined by Matt Morehouse, Matt Corallo, and Hunter Beast to discuss Newsletter #344 . News ● Disclosure of fixed LND vulnerability allowing theft (0:57) ● Discussion about Bitcoin Core's priorities (10:49) Changing consensus ● Bitcoin Forking Guide (1:01:11) ● Update on BIP360 pay-to-quantum-resistant-hash (P2QRH) (34:37) ● Private block template marketplace to prevent centralizing MEV (21:06) Releases and release candidates ● Core Lightning 25.02 (1:09:57) Notable code and documentation changes ● Eclair #3019 (1:11:21) ● Eclair #3016 (1:12:05) ● LDK #3342 (33:13) ● Rust Bitcoin #4114 (1:12:50) ● Rust Bitcoin #4111 (1:14:29) ● BIPs #1758 (1:15:09) ● BIPs #1750 (1:17:07) ● BIPs #1712 (1:18:10)…
Dave Harding and Mike Schmidt discuss Newsletter #343 .
Dave Harding and Mike Schmidt are joined by Bastien Teinturier and Joost Jager discuss Newsletter #342 . News ● Allowing mobile wallets to settle channels without extra UTXOs (0:59) ● Continued discussion about an LN quality of service flag (13:14) Changes to services and client software ● Ark Wallet SDK released (40:28) ● Zaprite adds BTCPay Server support (40:57) ● Iris Wallet desktop released (41:21) ● Sparrow 2.1.0 released (41:41) ● Scure-btc-signer 1.6.0 released (42:38) ● Py-bitcoinkernel alpha (43:48) ● Rust-bitcoinkernel library (44:30) ● BIP32 cbip32 library (45:56) ● Lightning Loop moves to MuSig2 (46:22) Notable code and documentation changes ● Bitcoin Core #27432 (47:01) ● Bitcoin Core #30529 (48:29) ● Bitcoin Core #31384 (49:42) ● Core Lightning #8059 (50:52) ● Core Lightning #7985 (53:41) ● Core Lightning #7887 (54:32) ● Eclair #2967 (26:06) ● Eclair #2979 (32:24) ● Eclair #3002 (34:32) ● LDK #3575 (57:35) ● LDK #3562 (23:51) ● BOLTs #1205 (26:13)…
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)…
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Bitcoin Optech Podcast

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)…
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Bitcoin Optech Podcast

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)…
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)…
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)…
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