Jekyll2026-03-25T09:46:20+00:00/feed.xmlLondon BitDevs is a community for those interested in discussing and participating in the research and development of Bitcoin and related protocols.2026-03-24T00:00:00+00:002026-03-24T00:00:00+00:00/socratic-seminar-49<h2 id="announcements">Announcements</h2> <p>Please join us for our next Socratic Seminar. This Socratic Seminar is sponsored by <a href="https://twitter.com/bendelo">Ben Delo</a>. Please speak to the hosts if you’re interested in supporting London BitDevs.</p> <h2 id="general-links">General Links</h2> <ul> <li><a href="https://bitcoinops.org">Bitcoin Optech</a></li> <li><a href="https://bitcoincore.reviews">Bitcoin Core PR Review Club</a></li> <li><a href="https://lists.linuxfoundation.org/pipermail/bitcoin-dev">bitcoin-dev Mailing List</a></li> <li><a href="https://lists.linuxfoundation.org/pipermail/lightning-dev">lightning-dev Mailing List</a></li> </ul> <h2 id="delving-bitcoin-mailing-lists-meetings-and-bitcoin-optech">Delving Bitcoin, Mailing Lists, Meetings and Bitcoin Optech</h2> <h3 id="delving-bitcoin"><a href="https://delvingbitcoin.org/">Delving Bitcoin</a></h3> <ul> <li><a href="https://delvingbitcoin.org/t/disposing-of-dust-attack-utxos/2215">Disposing of “dust attack” UTXOs</a></li> <li><a href="https://delvingbitcoin.org/t/bitcoin-pipes-v2/2249">Bitcoin PIPEs v2</a></li> <li><a href="https://delvingbitcoin.org/t/the-future-of-the-bitcoin-core-gui/2253/17">The future of the Bitcoin Core GUI</a></li> <li><a href="https://delvingbitcoin.org/t/would-op-success-op-cat-be-spent/2223">Would OP_SUCCESS (OP_CAT) be spent?</a></li> <li><a href="https://delvingbitcoin.org/t/binohash-transaction-introspection-without-softforks/2288">Binohash: Transaction Introspection Without Softforks</a></li> </ul> <h3 id="mailing-lists">Mailing Lists</h3> <h4 id="bitcoindev"><a href="https://groups.google.com/g/bitcoindev">bitcoindev</a></h4> <ul> <li><a href="https://delvingbitcoin.org/t/would-op-success-op-cat-be-spent/2223">Would OP_SUCCESS (OP_CAT) be spent?</a></li> <li><a href="https://groups.google.com/g/bitcoindev/c/7jkVS1K9WLo">Algorithm Agility for Bitcoin to maintain security in the face of quantum and classic breaks in the signature algorithms</a></li> <li><a href="https://groups.google.com/g/bitcoindev/c/wOVjJoLDWfA">BIP 54 active on Bitcoin Inquisition</a></li> <li><a href="https://groups.google.com/g/bitcoindev/c/fCfbi8hy-AE">[BIP Draft] 24 bits for nVersion nonce space instead of 16</a></li> <li><a href="https://groups.google.com/g/bitcoindev">The limitations of cryptographic agility in Bitcoin</a></li> <li><a href="https://groups.google.com/g/bitcoindev/c/0E1UyyQIUA0">Hourglass V2 Update</a></li> </ul> <h3 id="optech">Optech</h3> <ul> <li><a href="https://bitcoinops.org/en/newsletters/2026/02/27/">Newsletter #394</a>, <a href="https://bitcoinops.org/en/podcast/2026/03/03/">audio recap</a></li> <li><a href="https://bitcoinops.org/en/newsletters/2026/03/06/">Newsletter #395</a>, <a href="https://bitcoinops.org/en/podcast/2026/03/10/">audio recap</a></li> <li><a href="https://bitcoinops.org/en/newsletters/2026/03/13/">Newsletter #396</a>, <a href="https://bitcoinops.org/en/podcast/2026/03/17/">audio recap</a></li> <li><a href="https://bitcoinops.org/en/newsletters/2026/03/20/">Newsletter #397</a>, <a href="https://bitcoinops.org/en/podcast/2026/03/24/">audio recap</a></li> </ul> <h2 id="cves-and-research">CVEs and Research</h2> <h3 id="research">Research</h3> <ul> <li><a href="https://github.com/robinlinus/sha2-ecdsa">A SHA-256 Hash That Is Also a Valid ECDSA Signature</a></li> </ul> <h3 id="infosec">InfoSec</h3> <ul> <li><a href="https://0xb10c.github.io/localprobe/">localprobe</a></li> </ul> <h2 id="pull-requests-and-repo-updates">Pull Requests and repo updates</h2> <h3 id="bitcoin-core"><a href="https://github.com/bitcoin/bitcoin">Bitcoin Core</a></h3> <ul> <li><a href="https://github.com/bitcoin/bitcoin/pull/24539">Add a “tx output spender” index</a></li> <li><a href="https://github.com/bitcoin/bitcoin/pull/28792">build: Embedded ASMap (3/3): Build binary dump header file</a></li> <li><a href="https://github.com/bitcoin/bitcoin/pull/34329">rpc,net: Add private broadcast RPCs</a></li> <li><a href="https://github.com/bitcoin/bitcoin/pull/34692">Bump dbcache to 1 GiB</a></li> </ul> <h3 id="bitcoin-inquisition"><a href="https://github.com/bitcoin-inquisition/bitcoin">Bitcoin-inquisition</a></h3> <ul> <li><a href="https://github.com/bitcoin-inquisition/bitcoin/pull/99">BIP54 “Consensus Cleanup” implementation</a></li> </ul> <h3 id="bips"><a href="https://github.com/bitcoin/bips">BIPs</a></h3> <ul> <li><a href="https://github.com/bitcoin/bips/pull/1670">BIP 360 - Pay to Merkle Root (P2MR)</a></li> <li><a href="https://github.com/bitcoin/bips/pull/1699">BIP442: OP_PAIRCOMMIT</a></li> <li><a href="https://github.com/bitcoin/bips/pull/1974">BIP446: OP_TEMPLATEHASH and BIP448: Taproot-native (Re)bindable Transactions</a></li> <li><a href="https://github.com/bitcoin/bips/pull/2004">BIP 89: Chain Code Delegation for Private Collaborative Custody</a></li> <li><a href="https://github.com/bitcoin/bips/pull/2047">BIP392: Silent Payment Output Script Descriptors</a></li> <li><a href="https://github.com/bitcoin/bips/pull/2068">BIP128: Timelock-Recovery Storage Format</a></li> <li><a href="https://github.com/bitcoin/bips/pull/2106">BIP-352: introduce per-group recipient limit K_max (=2323)</a></li> </ul> <h3 id="bolt">[BOLT]</h3> <ul> <li><a href="https://github.com/lightning/blips/pull/26">blip-0026: L402 - Lightning HTTP 402 Protocol</a></li> </ul> <h2 id="new-releases">New Releases</h2> <ul> <li><a href="https://x.com/arbedout/status/2020885323778044259">Sigbash v2 is live</a> (<a href="https://github.com/arbedout/sigbash_v2">github</a>)</li> <li><a href="https://github.com/dergoegge/fuzzor">fuzzor</a> (<a href="https://dergoegge.github.io/fuzzor-dashboard/">dashboard</a>)</li> <li><a href="https://github.com/janb84/bitcoin-tui">bitcoin-tui</a></li> <li><a href="https://bitcoincore.org/bin/bitcoin-core-31.0/">Bitcoin Core 31.0rc1</a> (<a href="https://github.com/bitcoin-core/bitcoin-devwiki/wiki/31.0-Release-Candidate-Testing-Guide">testing guide</a>)</li> </ul> <h2 id="mining">Mining</h2> <ul> <li><a href="https://lclhost.org/blog/fibre-resurrected/">FIBRE, Resurrected</a></li> <li><a href="https://bnoc.xyz/t/two-block-reorg-at-height-941880">Two block reorg at height 941880</a></li> </ul>

Announcements

2026-01-28T00:00:00+00:002026-01-28T00:00:00+00:00/socratic-seminar-48<h2 id="announcements">Announcements</h2> <p>Please join us for our next Socratic Seminar. This Socratic Seminar is sponsored by <a href="https://twitter.com/bendelo">Ben Delo</a>. Please speak to the hosts if you’re interested in supporting London BitDevs.</p> <h2 id="general-links">General Links</h2> <ul> <li><a href="https://bitcoinops.org">Bitcoin Optech</a></li> <li><a href="https://bitcoincore.reviews">Bitcoin Core PR Review Club</a></li> <li><a href="https://lists.linuxfoundation.org/pipermail/bitcoin-dev">bitcoin-dev Mailing List</a></li> <li><a href="https://lists.linuxfoundation.org/pipermail/lightning-dev">lightning-dev Mailing List</a></li> </ul> <h2 id="delving-bitcoin-mailing-lists-meetings-and-bitcoin-optech">Delving Bitcoin, Mailing Lists, Meetings and Bitcoin Optech</h2> <h3 id="delving-bitcoin"><a href="https://delvingbitcoin.org/">Delving Bitcoin</a></h3> <ul> <li><a href="https://delvingbitcoin.org/t/ark-as-a-channel-factory-compressed-liquidity-management-for-improved-payment-feasibility/2179">Ark as a Channel Factory: Compressed Liquidity Management for Improved Payment Feasibility</a></li> <li><a href="https://delvingbitcoin.org/t/incremental-mutation-testing-in-the-bitcoin-core/2197/1">Incremental mutation testing in the Bitcoin Core</a></li> <li><a href="https://delvingbitcoin.org/t/vanadium-a-virtualized-secure-enclave-for-hardware-signing-devices/2142/1">Vanadium: A Virtualized Secure Enclave for Hardware Signing Devices</a></li> <li><a href="https://delvingbitcoin.org/t/shrincs-324-byte-stateful-post-quantum-signatures-with-static-backups/2158/10">SHRINCS: 324-byte stateful post-quantum signatures with static backups</a></li> <li><a href="https://delvingbitcoin.org/t/building-a-vault-using-blinded-co-signers/2141">Building a vault using blinded co-signers</a></li> <li><a href="https://delvingbitcoin.org/t/major-bip-360-update/2170">Major BIP 360 Update</a></li> <li><a href="https://delvingbitcoin.org/t/hornet-utxo-1-a-custom-constant-time-highly-parallel-utxo-database/2201/3">Hornet UTXO(1): A custom, constant-time, highly parallel UTXO database</a></li> <li><a href="https://delvingbitcoin.org/t/argo-a-garbled-circuits-scheme-for-1000x-more-efficient-off-chain-computation/2210">Argo: a garbled-circuits scheme for 1000x more efficient off-chain computation</a></li> </ul> <h3 id="mailing-lists">Mailing Lists</h3> <h4 id="bitcoindev"><a href="https://groups.google.com/g/bitcoindev">bitcoindev</a></h4> <ul> <li><a href="https://groups.google.com/g/bitcoindev/c/L4Eu9bA5iBw">Does GCC preclude a soft fork to handle timestamp overflow?</a></li> <li><a href="https://groups.google.com/g/bitcoindev/c/DFXtbUdCNZE">[BIP Proposal] Peer Feature Negotiation</a></li> <li><a href="https://groups.google.com/g/bitcoindev/c/bP6ktUyCOJI">[BIP Proposal] Add sp() output descriptor format for BIP352</a></li> <li><a href="https://groups.google.com/g/bitcoindev/c/K1NpJp9_BYk">BIP idea: Timelock-Recovery storage format</a></li> <li><a href="https://groups.google.com/g/bitcoindev/c/QsC_FWPNGr4">Wallet Migration Failure May Delete Unrelated Wallet Files In Bitcoin Core 30.0 and 30.1</a></li> <li><a href="https://groups.google.com/g/bitcoindev/c/6TTlDwP2OQg">Addressing remaining points on BIP 54</a></li> <li><a href="https://groups.google.com/g/bitcoindev/c/Sh4I6ogv_sE">Follow-up regarding Motion to Activate BIP 3</a></li> <li><a href="https://groups.google.com/g/bitcoindev/c/gOfL5ag_bDU">Hash-Based Signatures for Bitcoin’s Post-Quantum Future</a></li> <li><a href="https://groups.google.com/g/bitcoindev/c/8UFkEvfyLwE">SLH-DSA verification can compete with ECC</a></li> </ul> <h3 id="optech">Optech</h3> <ul> <li><a href="https://bitcoinops.org/en/newsletters/2025/12/19/">Newsletter #385: 2025 Year-in-Review Special</a>, <a href="https://bitcoinops.org/en/podcast/2025/12/23/">audio recap</a></li> <li><a href="https://bitcoinops.org/en/newsletters/2026/01/02/">Newsletter #386</a>, <a href="https://bitcoinops.org/en/podcast/2026/01/06/">audio recap</a></li> <li><a href="https://bitcoinops.org/en/newsletters/2026/01/09/">Newsletter #387</a>, <a href="https://bitcoinops.org/en/podcast/2026/01/13/">audio recap</a></li> <li><a href="https://bitcoinops.org/en/newsletters/2026/01/16/">Newsletter #388</a>, <a href="https://bitcoinops.org/en/podcast/2026/01/20/">audio recap</a></li> <li><a href="https://bitcoinops.org/en/newsletters/2026/01/23/">Newsletter #389</a>, <a href="https://bitcoinops.org/en/podcast/2026/01/27/">audio recap</a></li> </ul> <h2 id="cves-and-research">CVEs and Research</h2> <h3 id="research">Research</h3> <ul> <li><a href="https://www.bitmex.com/blog/64-Byte-Transactions">64 Byte Transactions</a></li> </ul> <h3 id="infosec">InfoSec</h3> <ul> <li><a href="https://blog.blockstream.com/jade-security-disclosure/">Jade Security Disclosure</a></li> </ul> <h2 id="pull-requests-and-repo-updates">Pull Requests and repo updates</h2> <h3 id="bitcoin-core"><a href="https://github.com/bitcoin/bitcoin">Bitcoin Core</a></h3> <ul> <li><a href="https://github.com/bitcoin/bitcoin/pull/29415">Broadcast own transactions only via short-lived Tor or I2P connections</a></li> <li><a href="https://github.com/bitcoin/bitcoin/pull/33657">rest: allow reading partial block data from storage</a></li> <li><a href="https://github.com/bitcoin/bitcoin/pull/34156">wallet: fix unnamed legacy wallet migration failure</a></li> </ul> <h3 id="bitcoin-inquisition"><a href="https://github.com/bitcoin-inquisition/bitcoin">Bitcoin-inquisition</a></h3> <ul> <li><a href="https://github.com/bitcoin-inquisition/bitcoin/pull/90">Consensus Cleanup preparation: backport “miner: timelock the coinbase to the mined block’s height”</a></li> </ul> <h3 id="bips"><a href="https://github.com/bitcoin/bips">BIPs</a></h3> <ul> <li><a href="https://github.com/bitcoin/bips/pull/1820">Process: Activate BIP3</a></li> <li><a href="https://github.com/bitcoin/bips/pull/1982">BIP 433: Add P2A BIP</a></li> <li><a href="https://github.com/bitcoin/bips/pull/1500">BIP346: OP_TXHASH</a></li> </ul> <h2 id="new-releases">New Releases</h2> <ul> <li><a href="https://groups.google.com/g/bitcoindev/c/YqiSQcfc-r8">Bitcoin Core v30.2 Released</a></li> </ul>

Announcements

2025-11-26T00:00:00+00:002025-11-26T00:00:00+00:00/socratic-seminar-47<h2 id="announcements">Announcements</h2> <p>Please join us for our next Socratic Seminar. This Socratic Seminar is sponsored by <a href="https://twitter.com/bendelo">Ben Delo</a>. Please speak to the hosts if you’re interested in supporting London BitDevs.</p> <h2 id="general-links">General Links</h2> <ul> <li><a href="https://bitcoinops.org">Bitcoin Optech</a></li> <li><a href="https://bitcoincore.reviews">Bitcoin Core PR Review Club</a></li> <li><a href="https://lists.linuxfoundation.org/pipermail/bitcoin-dev">bitcoin-dev Mailing List</a></li> <li><a href="https://lists.linuxfoundation.org/pipermail/lightning-dev">lightning-dev Mailing List</a></li> </ul> <h2 id="delving-bitcoin-mailing-lists-meetings-and-bitcoin-optech">Delving Bitcoin, Mailing Lists, Meetings and Bitcoin Optech</h2> <h3 id="delving-bitcoin"><a href="https://delvingbitcoin.org/">Delving Bitcoin</a></h3> <ul> <li><a href="https://delvingbitcoin.org/t/p2share-how-to-turn-any-network-or-testnet-into-a-bitcoin-miner/2093">P2share: how to turn any network (or testnet!) into a bitcoin miner</a></li> <li><a href="https://delvingbitcoin.org/t/comparing-the-performance-of-ecdsa-signature-validation-in-openssl-vs-libsecp256k1-over-the-last-decade/2087">Comparing the performance of ECDSA signature validation in OpenSSL vs. libsecp256k1 over the last decade</a></li> <li><a href="https://delvingbitcoin.org/t/miniscript-studio-a-fulll-ide-based-on-rust-miniscript/2086">Miniscript Studio - a fulll IDE based on Rust Miniscript</a></li> <li><a href="https://delvingbitcoin.org/t/raw-it-the-visual-raw-transaction-builder-script-debugger/2119/1">Raw₿it — the visual raw transaction builder &amp; script debugger</a></li> <li><a href="https://delvingbitcoin.org/t/gossip-observer-new-project-to-monitor-the-lightning-p2p-network/2105">Gossip Observer: New project to monitor the Lightning P2P network</a></li> <li><a href="https://delvingbitcoin.org/t/propagation-delay-and-mining-centralization-modeling-stale-rates/2110">Propagation Delay and Mining Centralization: Modeling Stale Rates</a></li> <li><a href="https://delvingbitcoin.org/t/benchmarking-bitcoin-script-evaluation-for-the-varops-budget-great-script-restoration/2094">Benchmarking Bitcoin Script Evaluation for the Varops Budget (Great Script Restoration)</a></li> <li><a href="https://delvingbitcoin.org/t/mergesync-parallel-utxo-set-construction-in-assumevalid-trust-model/2097">MergeSync: Parallel UTXO-set construction in assumevalid trust model</a></li> <li><a href="https://delvingbitcoin.org/t/private-key-handover/2098">Private Key Handover</a></li> </ul> <h3 id="mailing-lists">Mailing Lists</h3> <h4 id="bitcoindev"><a href="https://groups.google.com/g/bitcoindev">bitcoindev</a></h4> <ul> <li><a href="https://groups.google.com/g/bitcoindev/c/oFbEQb_DB3I">OP_CIV - Post-Quantum Signature Aggregation</a></li> <li><a href="https://groups.google.com/g/bitcoindev/c/AlMqLbmzxNA">LNHANCE a soft-fork package</a></li> <li><a href="https://groups.google.com/g/bitcoindev/c/zD0hNBVrsk0">New bitcoin backbone code release + Tx relay v2 update</a></li> <li><a href="https://groups.google.com/g/bitcoindev/c/j4_toD-ofEc">Motion to Activate BIP 3</a></li> <li><a href="https://groups.google.com/g/bitcoindev/c/LAll07BHwjw">SLH-DSA (SPHINCS) Performance Optimization Techniques</a></li> </ul> <h3 id="meetings">Meetings</h3> <ul> <li><a href="https://btctranscripts.com/bitcoin-core-dev-tech/2025-10">Bitcoin Core Dev Oct 2025</a></li> </ul> <h3 id="optech">Optech</h3> <ul> <li><a href="https://bitcoinops.org/en/newsletters/2025/10/31/">Newsletter #378</a>, <a href="https://bitcoinops.org/en/podcast/2025/11/03/">audio recap</a></li> <li><a href="https://bitcoinops.org/en/newsletters/2025/11/07/">Newsletter #379</a>, <a href="https://bitcoinops.org/en/podcast/2025/11/10/">audio recap</a></li> <li><a href="https://bitcoinops.org/en/newsletters/2025/11/14/">Newsletter #380</a>, <a href="https://bitcoinops.org/en/podcast/2025/11/17/">audio recap</a></li> <li><a href="https://bitcoinops.org/en/newsletters/2025/11/21/">Newsletter #381</a>, <a href="https://bitcoinops.org/en/podcast/2025/11/24/">audio recap</a></li> </ul> <h2 id="pull-requests-and-repo-updates">Pull Requests and repo updates</h2> <h3 id="bitcoin-core"><a href="https://github.com/bitcoin/bitcoin">Bitcoin Core</a></h3> <!--- Link to query merged PRs since YYYY-MM-DD sorted by descending activity: https://github.com/bitcoin/bitcoin/pulls?page=1&q=is%3Apr+is%3Aclosed+merged%3A%3EYYYY-MM-DD+sort%3Acomments-desc --> <ul> <li><a href="https://github.com/bitcoin/bitcoin/pull/30595">kernel: Introduce C header API</a></li> <li><a href="https://github.com/bitcoin/bitcoin/pull/33629">Cluster mempool</a></li> <li><a href="https://github.com/bitcoin/bitcoin/pull/32821">rpc: Handle -named argument parsing where ‘=’ character is used</a></li> <li><a href="https://github.com/bitcoin/bitcoin/pull/31645">[IBD] coins: increase default UTXO flush batch size to 32 MiB</a></li> </ul> <h2 id="new-releases">New Releases</h2> <ul> <li><a href="https://atlas21.com/phoenix-wallet-introduces-taproot-channels/">Phoenix Wallet introduces Taproot channels</a></li> <li><a href="https://blog.arklabs.xyz/press-start-arkade-goes-live/">Press Start: Arkade Goes Live</a></li> <li><a href="https://nunchuk.io/blog/autonomous-inheritance">Nunchuk 2.0: Autonomous Inheritance</a></li> </ul>

Announcements

2025-10-29T00:00:00+00:002025-10-29T00:00:00+00:00/socratic-seminar-46<h2 id="announcements">Announcements</h2> <p>Please join us for our next Socratic Seminar. This Socratic Seminar is sponsored by <a href="https://twitter.com/bendelo">Ben Delo</a>. Please speak to the hosts if you’re interested in supporting London BitDevs.</p> <h2 id="general-links">General Links</h2> <ul> <li><a href="https://bitcoinops.org">Bitcoin Optech</a></li> <li><a href="https://bitcoincore.reviews">Bitcoin Core PR Review Club</a></li> <li><a href="https://lists.linuxfoundation.org/pipermail/bitcoin-dev">bitcoin-dev Mailing List</a></li> <li><a href="https://lists.linuxfoundation.org/pipermail/lightning-dev">lightning-dev Mailing List</a></li> </ul> <h2 id="delving-bitcoin-mailing-lists-meetings-and-bitcoin-optech">Delving Bitcoin, Mailing Lists, Meetings and Bitcoin Optech</h2> <h3 id="delving-bitcoin"><a href="https://delvingbitcoin.org/">Delving Bitcoin</a></h3> <ul> <li><a href="https://delvingbitcoin.org/t/optimal-threshold-signatures-in-bitcoin/2023">Optimal Threshold Signatures in Bitcoin</a></li> <li><a href="https://delvingbitcoin.org/t/outgoing-reputation-simulation-results-and-updates/2069">Outgoing Reputation: Simulation Results and Updates</a></li> <li><a href="https://delvingbitcoin.org/t/determining-blocktemplate-fee-increase-using-fee-rate-diagram/2052">Determining BlockTemplate Fee Increase Using Fee Rate Diagram</a></li> <li><a href="https://delvingbitcoin.org/t/provable-cryptography-for-bitcoin-an-introduction-workbook/1974">Provable Cryptography for Bitcoin: An Introduction (Workbook)</a></li> <li>Delving Simplicity: <ul> <li><a href="https://delvingbitcoin.org/t/delving-simplicity-part-three-fundamental-ways-of-combining-computations/1902">Part Ⅰ: Three Fundamental Ways of Combining Computations</a></li> <li><a href="https://delvingbitcoin.org/t/delving-simplicity-part-combinator-completeness-of-simplicity/1935">Part Ⅱ: Combinator Completeness of Simplicity</a></li> <li><a href="https://delvingbitcoin.org/t/delving-simplicity-part-building-data-types/1956">Part Ⅲ: Building Data Types</a></li> </ul> </li> <li><a href="https://delvingbitcoin.org/t/flattening-nested-2-of-2-of-a-1-of-1-and-a-k-of-n/2018">Flattening Nested 2-of-2 Of a 1-of-1 And a k-of-n</a></li> </ul> <h3 id="mailing-lists">Mailing Lists</h3> <h4 id="bitcoindev"><a href="https://groups.google.com/g/bitcoindev">bitcoindev</a></h4> <ul> <li><a href="https://groups.google.com/g/bitcoindev/c/qMN_hy9g774">A Minimal, Executable Specification for Bitcoin Consensus</a></li> <li><a href="https://groups.google.com/g/bitcoindev/c/GisTcPb8Jco">[0/4] A Bitcoin Scripting Proposal BIP Quartet</a></li> <li><a href="https://groups.google.com/g/bitcoindev/c/sBpCgS_yGws">Public disclosure of 4 Bitcoin Core security advisories</a></li> <li><a href="https://groups.google.com/g/bitcoindev/c/YO8ZwnG_ISs">[BIP Proposal] Limit ScriptPubkey Size &gt;= 520 Bytes Consensus.</a></li> <li><a href="https://groups.google.com/g/bitcoindev/c/nOZim6FbuF8">[BIP Proposal] Reduced Data Temporary Softfork</a></li> <li><a href="https://groups.google.com/g/bitcoindev/c/1XEtmIS_XRc">BIP54 implementation and test vectors</a></li> </ul> <h3 id="meetings">Meetings</h3> <ul> <li><a href="https://bitcoincore.reviews">Bitcoin PR Review Club</a> <ul> <li><a href="https://bitcoincore.reviews/33300">#33300 Compact block harness</a></li> </ul> </li> </ul> <h3 id="optech">Optech</h3> <ul> <li><a href="https://bitcoinops.org/en/newsletters/2025/10/03/">Newsletter #374</a>, <a href="https://bitcoinops.org/en/podcast/2025/10/07/">audio recap</a></li> <li><a href="https://bitcoinops.org/en/newsletters/2025/10/10/">Newsletter #375</a>, <a href="https://bitcoinops.org/en/podcast/2025/10/14/">audio recap</a></li> <li><a href="https://bitcoinops.org/en/newsletters/2025/10/17/">Newsletter #376</a></li> <li><a href="https://bitcoinops.org/en/newsletters/2025/10/24/">Newsletter #377</a></li> </ul> <h2 id="pull-requests-and-repo-updates">Pull Requests and repo updates</h2> <h3 id="bitcoin-core"><a href="https://github.com/bitcoin/bitcoin">Bitcoin Core</a></h3> <!--- Link to query merged PRs since YYYY-MM-DD sorted by descending activity: https://github.com/bitcoin/bitcoin/pulls?page=1&q=is%3Apr+is%3Aclosed+merged%3A%3EYYYY-MM-DD+sort%3Acomments-desc --> <ul> <li><a href="https://github.com/bitcoin/bitcoin/pull/29675">wallet: Be able to receive and spend inputs involving MuSig2 aggregate keys</a></li> </ul> <h2 id="new-releases">New Releases</h2> <ul> <li><a href="https://groups.google.com/g/bitcoindev/c/44rT5evWVxI">Bitcoin Core v30.0 Released</a></li> <li><a href="https://groups.google.com/g/bitcoindev/c/XLYTbiq25c0">Bitcoin Core v29.2 Released</a></li> <li><a href="https://groups.google.com/g/bitcoindev/c/U6lYb0yf93w">Bitcoin Core 28.3 Released</a></li> </ul> <h2 id="miscellaneous">Miscellaneous</h2> <ul> <li><a href="https://bitcoinmagazine.com/technical/spark-and-ark-a-look-at-our-newest-bitcoin-layer-twos">Spark and Ark: A Look At Our Newest Bitcoin Layer Twos</a></li> <li><a href="https://gist.github.com/Ademan/300f19f925e368a3b532ddbf3c88b425">LNHANCE Expeditionary Project</a></li> </ul>

Announcements

2025-08-27T00:00:00+00:002025-08-27T00:00:00+00:00/socratic-seminar-45<h2 id="announcements">Announcements</h2> <p>Please join us for our next Socratic Seminar. This Socratic Seminar is sponsored by <a href="https://twitter.com/bendelo">Ben Delo</a>. Please speak to the hosts if you’re interested in supporting London BitDevs.</p> <h2 id="general-links">General Links</h2> <ul> <li><a href="https://bitcoinops.org">Bitcoin Optech</a></li> <li><a href="https://bitcoincore.reviews">Bitcoin Core PR Review Club</a></li> <li><a href="https://lists.linuxfoundation.org/pipermail/bitcoin-dev">bitcoin-dev Mailing List</a></li> <li><a href="https://lists.linuxfoundation.org/pipermail/lightning-dev">lightning-dev Mailing List</a></li> </ul> <h2 id="delving-bitcoin-mailing-lists-meetings-and-bitcoin-optech">Delving Bitcoin, Mailing Lists, Meetings and Bitcoin Optech</h2> <h3 id="delving-bitcoin"><a href="https://delvingbitcoin.org/">Delving Bitcoin</a></h3> <ul> <li><a href="https://delvingbitcoin.org/t/sharing-block-templates/1906">Sharing block templates</a></li> <li><a href="https://delvingbitcoin.org/t/changing-the-minimum-relay-feerate/1886">Changing the minimum relay feerate</a></li> <li><a href="https://delvingbitcoin.org/t/confidential-script-emulate-soft-forks-using-stateless-tees/1918">Confidential Script: Emulate soft forks using stateless TEEs</a></li> <li><a href="https://delvingbitcoin.org/t/writing-simplicity-programs-with-simplicityhl/1900">Writing Simplicity Programs with SimplicityHL</a></li> </ul> <h3 id="mailing-lists">Mailing Lists</h3> <h4 id="bitcoindev"><a href="https://groups.google.com/g/bitcoindev">bitcoindev</a></h4> <ul> <li><a href="https://groups.google.com/g/bitcoindev/c/g_-Tfmjz0pw">Glock: Garbled Locks for Bitcoin</a></li> <li><a href="https://groups.google.com/g/bitcoindev/c/-_geIB25zrg">[BIP Proposal] OP_TWEAKADD</a></li> <li><a href="https://groups.google.com/g/bitcoindev/c/cnzeqBmHEu0">[BIP Proposal] Elliptic Curve Operations for Bitcoin Script</a></li> </ul> <h3 id="meetings">Meetings</h3> <ul> <li><a href="https://bitcoincore.reviews">Bitcoin PR Review Club</a> <ul> <li><a href="https://bitcoincore.reviews/32489">wallet: Add exportwatchonlywallet RPC</a></li> </ul> </li> </ul> <h3 id="optech">Optech</h3> <ul> <li><a href="https://bitcoinops.org/en/newsletters/2025/08/01/">Newsletter #365</a>, <a href="https://bitcoinops.org/en/podcast/2025/08/05/">audio recap</a></li> <li><a href="https://bitcoinops.org/en/newsletters/2025/08/08/">Newsletter #366</a>, <a href="https://bitcoinops.org/en/podcast/2025/08/12/">audio recap</a></li> <li><a href="https://bitcoinops.org/en/newsletters/2025/08/15/">Newsletter #367</a>, <a href="https://bitcoinops.org/en/podcast/2025/08/19/">audio recap</a></li> <li><a href="https://bitcoinops.org/en/newsletters/2025/08/22/">Newsletter #368</a>, <a href="https://bitcoinops.org/en/podcast/2025/08/26/">audio recap</a></li> </ul> <h2 id="pull-requests-and-repo-updates">Pull Requests and repo updates</h2> <h3 id="bitcoin-core"><a href="https://github.com/bitcoin/bitcoin">Bitcoin Core</a></h3> <ul> <li><a href="https://github.com/bitcoin/bitcoin/pull/32896">wallet, rpc: add v3 transaction creation and wallet support</a></li> <li><a href="https://github.com/bitcoin/bitcoin/pull/31244">descriptors: MuSig2</a></li> <li><a href="https://github.com/bitcoin/bitcoin/pull/31802">Add bitcoin-{node,gui} to release binaries for IPC</a></li> <li><a href="https://github.com/bitcoin/bitcoin/pull/33106">policy: lower the default blockmintxfee, incrementalrelayfee, minrelaytxfee</a></li> </ul> <h2 id="miscellaneous">Miscellaneous</h2> <ul> <li>Rust-based <a href="https://x.com/dimahledba/status/1951213485104181669">resources</a> for Utreexo</li> <li><a href="https://insider.btcpp.dev/p/lightning-swaps-are-the-connective">Lightning swaps <em>are</em> the connective tissue</a></li> <li><a href="https://proto.xyz/blog/posts/proto-rig-and-proto-fleet-a-paradigm-shift">Proto Rig and Proto Fleet</a></li> <li><a href="https://x.com/mononautical/status/1956073741454336191">Are pools losing money on Sub-1 Sat/vB Summer?</a></li> <li><a href="https://github.com/monero-project/research-lab/issues/140">Monero: Implement Detective Mining</a></li> </ul>

Announcements

2025-07-30T00:00:00+00:002025-07-30T00:00:00+00:00/socratic-seminar-44<h2 id="announcements">Announcements</h2> <p>Please join us for our next Socratic Seminar. This Socratic Seminar is sponsored by <a href="https://twitter.com/bendelo">Ben Delo</a>. Please speak to the hosts if you’re interested in supporting London BitDevs.</p> <h2 id="general-links">General Links</h2> <ul> <li><a href="https://bitcoinops.org">Bitcoin Optech</a></li> <li><a href="https://bitcoincore.reviews">Bitcoin Core PR Review Club</a></li> <li><a href="https://lists.linuxfoundation.org/pipermail/bitcoin-dev">bitcoin-dev Mailing List</a></li> <li><a href="https://lists.linuxfoundation.org/pipermail/lightning-dev">lightning-dev Mailing List</a></li> </ul> <h2 id="delving-bitcoin-mailing-lists-meetings-and-bitcoin-optech">Delving Bitcoin, Mailing Lists, Meetings and Bitcoin Optech</h2> <h3 id="delving-bitcoin"><a href="https://delvingbitcoin.org/">Delving Bitcoin</a></h3> <ul> <li><a href="https://delvingbitcoin.org/t/changes-to-bip-360-pay-to-quantum-resistant-hash-p2qrh/1811">Changes to BIP-360 - Pay to Quantum Resistant Hash (P2QRH)</a></li> <li><a href="https://delvingbitcoin.org/t/exploring-extended-relative-timelocks/1818/8">Exploring Extended Relative Timelocks</a></li> <li><a href="https://delvingbitcoin.org/t/understanding-and-mitigating-a-op-ctv-footgun-the-unsatisfiable-utxo/1809">Understanding and Mitigating a OP_CTV Footgun: The Unsatisfiable UTXO</a></li> <li><a href="https://delvingbitcoin.org/t/chain-code-delegation-private-access-control-for-bitcoin-keys/1837">Chain Code Delegation: Private Access Control for Bitcoin Keys</a></li> <li><a href="https://delvingbitcoin.org/t/post-quantum-hd-wallets-silent-payments-key-aggregation-and-threshold-signatures/1854">Post-Quantum HD-Wallets, Silent Payments, Key Aggregation, and Threshold Signatures</a></li> <li><a href="https://delvingbitcoin.org/t/augur-block-s-open-source-bitcoin-fee-estimation-library/1848">Augur: Block’s Open Source Bitcoin Fee Estimation Library</a></li> <li><a href="https://delvingbitcoin.org/t/a-rust-library-to-encode-descriptors-with-a-30-40-size-reduction/1804">A rust library to encode descriptors with a 30-40% size reduction</a></li> </ul> <h3 id="mailing-lists">Mailing Lists</h3> <h4 id="bitcoindev"><a href="https://groups.google.com/g/bitcoindev">bitcoindev</a></h4> <ul> <li><a href="https://groups.google.com/g/bitcoindev/c/uEaf4bj07rE">A Post Quantum Migration Proposal</a></li> <li><a href="https://groups.google.com/g/bitcoindev/c/u2Bz1Ms8_lA">Make pathological transactions with more than 2500 legacy signature operations non-standard</a></li> <li><a href="https://groups.google.com/g/bitcoindev/c/oScMvT8xZH4">Human meaningful witness versioning</a></li> <li><a href="https://groups.google.com/g/bitcoindev/c/5wLThgegha4">A Taproot-native (re-)bindable transaction bundle proposal</a></li> <li><a href="https://groups.google.com/g/bitcoindev/c/LzMGclBdaUc">RGB consensus layer released for production deployments</a></li> </ul> <h3 id="optech">Optech</h3> <ul> <li><a href="https://bitcoinops.org/en/newsletters/2025/06/27/">Newsletter #360</a>, <a href="https://bitcoinops.org/en/podcast/2025/06/30/">audio recap</a></li> <li><a href="https://bitcoinops.org/en/newsletters/2025/07/04/">Newsletter #361</a>, <a href="https://bitcoinops.org/en/podcast/2025/07/08/">audio recap</a></li> <li><a href="https://bitcoinops.org/en/newsletters/2025/07/11/">Newsletter #362</a>, <a href="https://bitcoinops.org/en/podcast/2025/07/15/">audio recap</a></li> <li><a href="https://bitcoinops.org/en/newsletters/2025/07/18/">Newsletter #363</a>, <a href="https://bitcoinops.org/en/podcast/2025/07/22/">audio recap</a></li> <li><a href="https://bitcoinops.org/en/newsletters/2025/07/25/">Newsletter #364</a>, <a href="https://bitcoinops.org/en/podcast/2025/07/29/">audio recap</a></li> </ul> <h2 id="network-data">Network Data</h2> <ul> <li><a href="https://b10c.me/projects/024-peer-observer/">peer-observer: A tool and infrastructure for monitoring the Bitcoin P2P network for attacks and anomalies</a></li> </ul> <h2 id="cves-and-research">CVEs and Research</h2> <h3 id="research">Research</h3> <ul> <li><a href="https://eprint.iacr.org/2025/1307">The Post-Quantum Security of Bitcoin’s Taproot as a Commitment Scheme</a></li> <li><a href="https://s3.us-east-1.amazonaws.com/1a1z.com/files/1A1z+-+Running+Bitcoin+-+Client+Comparison.pdf">Running bitcoin. From Core to Code: A Comparison of Clients</a></li> </ul> <h2 id="pull-requests-and-repo-updates">Pull Requests and repo updates</h2> <h3 id="bitcoin-core"><a href="https://github.com/bitcoin/bitcoin">Bitcoin Core</a></h3> <!--- Link to query merged PRs since YYYY-MM-DD sorted by descending activity: https://github.com/bitcoin/bitcoin/pulls?page=1&q=is%3Apr+is%3Aclosed+merged%3A%3EYYYY-MM-DD+sort%3Acomments-desc --> <ul> <li><a href="https://github.com/bitcoin/bitcoin/pull/31829">p2p: improve TxOrphanage denial of service bounds</a></li> <li><a href="https://github.com/bitcoin/bitcoin/pull/32521">policy: make pathological transactions packed with legacy sigops non-standard</a></li> <li><a href="https://github.com/bitcoin/bitcoin/pull/32959">Reduce minrelaytxfee to 100 sats/kvB</a></li> </ul> <h3 id="bips"><a href="https://github.com/bitcoin/bips">BIPs</a></h3> <ul> <li><a href="https://github.com/bitcoin/bips/pull/1819">BIP3: Address additional review</a></li> <li><a href="https://github.com/bitcoin/bips/pull/1888">380: Disallow H as a hardened indicator</a></li> </ul> <h2 id="new-releases">New Releases</h2> <ul> <li><a href="https://github.com/bitcoin/bitcoin/tree/v28.2">Bitcoin Core v28.2</a></li> </ul> <h2 id="miscellaneous">Miscellaneous</h2> <ul> <li><a href="https://simplicity-lang.org/">Simplicity is LOCKED_IN on The Liquid Network</a></li> <li><a href="https://x.com/Bitcoin_Devs/status/1943315955259502625">Bitcoin Transcripts redesign</a></li> <li><a href="https://bitcoinmagazine.com/technical/trustodial-an-ontological-dilemma">Trustodial: An Ontological Dilemma</a></li> <li><a href="https://x.com/FrostsnapTech/status/1939519321862291621">Frostsnap frontier demo</a></li> </ul>

Announcements

2025-06-25T00:00:00+00:002025-06-25T00:00:00+00:00/socratic-seminar-43<h2 id="announcements">Announcements</h2> <p>Please join us for our next Socratic Seminar. This Socratic Seminar is sponsored by <a href="https://twitter.com/bendelo">Ben Delo</a>. Please speak to the hosts if you’re interested in supporting London BitDevs.</p> <h2 id="general-links">General Links</h2> <ul> <li><a href="https://bitcoinops.org">Bitcoin Optech</a></li> <li><a href="https://bitcoincore.reviews">Bitcoin Core PR Review Club</a></li> <li><a href="https://lists.linuxfoundation.org/pipermail/bitcoin-dev">bitcoin-dev Mailing List</a></li> <li><a href="https://lists.linuxfoundation.org/pipermail/lightning-dev">lightning-dev Mailing List</a></li> </ul> <h2 id="delving-bitcoin-mailing-lists-meetings-and-bitcoin-optech">Delving Bitcoin, Mailing Lists, Meetings and Bitcoin Optech</h2> <h3 id="delving-bitcoin"><a href="https://delvingbitcoin.org/">Delving Bitcoin</a></h3> <ul> <li><a href="https://delvingbitcoin.org/t/scaling-noncustodial-mining-payouts-with-ctv/1753">Scaling Noncustodial Mining Payouts with CTV</a></li> <li><a href="https://delvingbitcoin.org/t/where-does-the-33-33-threshold-for-selfish-mining-come-from/1757">Where does the 33.33% threshold for selfish mining come from?</a></li> <li><a href="https://delvingbitcoin.org/t/fingerprinting-nodes-via-addr-requests/1786">Fingerprinting nodes via addr requests</a></li> <li><a href="https://delvingbitcoin.org/t/garbled-circuits-and-bitvm3/1773">Garbled circuits and BitVM3</a></li> <li><a href="https://delvingbitcoin.org/t/research-update-a-geometric-approach-for-optimal-channel-rebalancing/1768">Research Update: A Geometric Approach for Optimal Channel Rebalancing</a></li> <li><a href="https://delvingbitcoin.org/t/rust-descriptor-encrypt-encrypt-any-descriptor-such-that-only-authorized-spenders-can-decrypt/1750">[Rust] descriptor-encrypt: Encrypt any descriptor such that only authorized spenders can decrypt</a></li> <li><a href="https://delvingbitcoin.org/t/non-confiscatory-transaction-weight-limit/1732">Non-confiscatory Transaction Weight Limit</a></li> <li><a href="https://delvingbitcoin.org/t/ctv-vault-output-descriptor/1766">CTV vault output descriptor</a></li> <li><a href="https://delvingbitcoin.org/t/witnessless-sync-for-pruned-nodes/1742">Witnessless Sync for Pruned Nodes</a></li> </ul> <h3 id="mailing-lists">Mailing Lists</h3> <h4 id="bitcoindev"><a href="https://groups.google.com/g/bitcoindev">bitcoindev</a></h4> <ul> <li><a href="https://groups.google.com/g/bitcoindev/c/KJF6A55DPJ8">CTV + CSFS: a letter</a></li> <li><a href="https://groups.google.com/g/bitcoindev/c/eothFkxAvK0">DahLIAS: Discrete Logarithm-Based Interactive Aggregate Signatures</a></li> <li><a href="https://groups.google.com/g/bitcoindev/c/bmV1QwYEN4k">Censorship Resistant Transaction Relay - Taking out the garbage(man)</a></li> <li><a href="https://groups.google.com/g/bitcoindev/c/43yjt8MXMvo">The case for privatizing Bitcoin Core</a></li> </ul> <h3 id="meetings">Meetings</h3> <ul> <li><a href="https://bitcoincore.reviews">Bitcoin PR Review Club</a> <ul> <li><a href="https://bitcoincore.reviews/32051">#32051 Protect addnode peers during IBD</a></li> <li><a href="https://bitcoincore.reviews/30605">#30605 Cluster linearization: separate tests from tests-of-tests</a></li> <li><a href="https://bitcoincore.reviews/31829">#31829 Improve TxOrphanage denial of service bounds</a></li> </ul> </li> </ul> <h3 id="optech">Optech</h3> <ul> <li><a href="https://bitcoinops.org/en/newsletters/2025/05/30/">Newsletter #356</a>, <a href="https://bitcoinops.org/en/podcast/2025/06/03/">audio recap</a></li> <li><a href="https://bitcoinops.org/en/newsletters/2025/06/06/">Newsletter #356</a>, <a href="https://bitcoinops.org/en/podcast/2025/06/10/">audio recap</a></li> <li><a href="https://bitcoinops.org/en/newsletters/2025/06/13/">Newsletter #356</a>, <a href="https://bitcoinops.org/en/podcast/2025/06/17/">audio recap</a></li> <li><a href="https://bitcoinops.org/en/newsletters/2025/06/20/">Newsletter #356</a>, <a href="https://bitcoinops.org/en/podcast/2025/06/23/">audio recap</a></li> </ul> <h2 id="cves-and-research">CVEs and Research</h2> <h3 id="research">Research</h3> <ul> <li><a href="https://b10c.me/observations/15-inv-to-send-queue/">Notes on ‘DoS due to inv-to-send sets growing too large’ from May 2023</a></li> </ul> <h2 id="pull-requests-and-repo-updates">Pull Requests and repo updates</h2> <h3 id="bitcoin-core"><a href="https://github.com/bitcoin/bitcoin">Bitcoin Core</a></h3> <!--- Link to query merged PRs since YYYY-MM-DD sorted by descending activity: https://github.com/bitcoin/bitcoin/pulls?page=1&q=is%3Apr+is%3Aclosed+merged%3A%3EYYYY-MM-DD+sort%3Acomments-desc --> <ul> <li><a href="https://github.com/bitcoin/bitcoin/pull/32406">policy: uncap datacarrier by default</a></li> <li><a href="https://github.com/bitcoin/bitcoin/pull/31405">validation: stricter internal handling of invalid blocks</a></li> <li><a href="https://github.com/bitcoin/bitcoin/pull/32582">log: Additional compact block logging</a></li> <li><a href="https://github.com/bitcoin/bitcoin/pull/31981">Add checkBlock() to Mining interface</a></li> </ul> <h3 id="bips"><a href="https://github.com/bitcoin/bips">BIPs</a></h3> <ul> <li><a href="https://github.com/bitcoin/bips/pull/1483">BIP 77: Async Payjoin</a></li> <li><a href="https://github.com/bitcoin/bips/pull/1867">390: Allow repeated participant pubkeys</a></li> </ul> <h2 id="new-releases">New Releases</h2> <ul> <li><a href="https://github.com/rust-bitcoin/rust-secp256k1/pull/798">Rust libsecp256k1 MuSig2 implementation complete</a></li> <li><a href="https://arkadeos.com/">Arkade</a></li> <li><a href="https://github.com/alpenlabs/bitcoind-async-client">bitcoind-async-client</a></li> </ul> <h2 id="mining">Mining</h2> <ul> <li><a href="https://x.com/dimahledba/status/1935354385795592491">Stratum V2 STARK proofs</a></li> </ul> <h2 id="miscellaneous">Miscellaneous</h2> <ul> <li><a href="https://x.com/hugomofn/status/1927733231853662634">Safe seedless setups</a></li> <li><a href="https://www.therage.co/failla-custody-issue-not-important-to-storms-defense/">Failla: Custody Issue Not Important To Storm’s Defense</a></li> <li><a href="https://x.com/dntse/status/1930272316124287393">BitVM mainnet experiment completed</a></li> </ul>

Announcements

2025-05-28T00:00:00+00:002025-05-28T00:00:00+00:00/socratic-seminar-42<h2 id="announcements">Announcements</h2> <p>Please join us for our next Socratic Seminar. This Socratic Seminar is sponsored by <a href="https://twitter.com/bendelo">Ben Delo</a>. Please speak to the hosts if you’re interested in supporting London BitDevs.</p> <h2 id="general-links">General Links</h2> <ul> <li><a href="https://bitcoinops.org">Bitcoin Optech</a></li> <li><a href="https://bitcoincore.reviews">Bitcoin Core PR Review Club</a></li> <li><a href="https://lists.linuxfoundation.org/pipermail/bitcoin-dev">bitcoin-dev Mailing List</a></li> <li><a href="https://lists.linuxfoundation.org/pipermail/lightning-dev">lightning-dev Mailing List</a></li> </ul> <h2 id="delving-bitcoin-mailing-lists-meetings-and-bitcoin-optech">Delving Bitcoin, Mailing Lists, Meetings and Bitcoin Optech</h2> <h3 id="delving-bitcoin"><a href="https://delvingbitcoin.org/">Delving Bitcoin</a></h3> <ul> <li><a href="https://delvingbitcoin.org/t/dust-expiry-clean-the-utxo-set-from-spam/1707">Dust Expiry: Clean the UTXO set from spam</a></li> <li><a href="https://delvingbitcoin.org/t/withdrawing-op-vault-bip-345/1670">Withdrawing OP_VAULT (BIP-345)</a></li> <li><a href="https://delvingbitcoin.org/t/addressing-community-concerns-and-objections-regarding-my-recent-proposal-to-relax-bitcoin-cores-standardness-limits-on-op-return-outputs/1697">Addressing community concerns and objections regarding my recent proposal to relax Bitcoin Core’s standardness limits on OP_RETURN outputs</a></li> <li><a href="https://delvingbitcoin.org/t/on-the-possibility-of-evil-covenants-and-implications-for-soft-fork-proposals/1703">On the possibility of evil covenants and implications for soft fork proposals</a></li> <li><a href="https://delvingbitcoin.org/t/latency-and-privacy-in-lightning/1723">Latency and Privacy in Lightning</a></li> <li><a href="https://delvingbitcoin.org/t/mitigating-channel-depletion-in-the-lightning-network-a-survey-of-potential-solutions/1640">Mitigating Channel Depletion in the Lightning Network: A Survey of Potential Solutions</a></li> <li><a href="https://delvingbitcoin.org/t/bitcointap-an-strace-like-tool-for-bitcoin-ebpf-usdt-tracepoints/1694">Bitcointap: an strace-like tool for bitcoin ebpf USDT tracepoints</a></li> </ul> <h3 id="mailing-lists">Mailing Lists</h3> <h4 id="bitcoindev"><a href="https://groups.google.com/g/bitcoindev">bitcoindev</a></h4> <ul> <li><a href="https://groups.google.com/g/bitcoindev/c/qyId8Yto45M">Removing checkpoints in Bitcoin Core v30</a></li> <li><a href="https://groups.google.com/g/bitcoindev/c/zmg3U117aNc">Introducing Hourglass</a></li> <li><a href="https://groups.google.com/g/bitcoindev/c/aqHRfa0UWFo">The Tragic Tale of BIP30</a></li> <li><a href="https://groups.google.com/g/bitcoindev/c/bmV1QwYEN4k">Censorship Resistant Transaction Relay - Taking out the garbage(man)</a></li> </ul> <h3 id="meetings">Meetings</h3> <ul> <li><a href="https://bitcoincore.reviews">Bitcoin PR Review Club</a> <ul> <li><a href="https://bitcoincore.reviews/31981">#31981 Add checkBlock() to Mining interface</a></li> <li><a href="https://bitcoincore.reviews/31375">#31375 Add bitcoin wrapper executable</a></li> <li><a href="https://bitcoincore.reviews/32317">#32317 Separate UTXO set access from validation functions</a></li> </ul> </li> </ul> <h3 id="optech">Optech</h3> <ul> <li><a href="https://bitcoinops.org/en/newsletters/2025/05/02/">Newsletter #352</a>, <a href="https://bitcoinops.org/en/podcast/2025/05/06/">audio recap</a></li> <li><a href="https://bitcoinops.org/en/newsletters/2025/05/09/">Newsletter #353</a>, <a href="https://bitcoinops.org/en/podcast/2025/05/13/">audio recap</a></li> <li><a href="https://bitcoinops.org/en/newsletters/2025/05/16/">Newsletter #354</a>, <a href="https://bitcoinops.org/en/podcast/2025/05/20/">audio recap</a></li> <li><a href="https://bitcoinops.org/en/newsletters/2025/05/23/">Newsletter #355</a>, <a href="https://bitcoinops.org/en/podcast/2025/05/27/">audio recap</a></li> </ul> <h2 id="cves-and-research">CVEs and Research</h2> <h3 id="research">Research</h3> <ul> <li><a href="https://chaincode.com/bitcoin-post-quantum.pdf">Bitcoin and Quantum Computing: Current Status and Future Directions</a></li> </ul> <h3 id="infosec">InfoSec</h3> <ul> <li><a href="https://bitcoincore.org/en/2025/04/28/disclose-cve-2024-52919/">CVE-2024-52919 - Remote crash due to addr message spam (part 2)</a></li> </ul> <h2 id="pull-requests-and-repo-updates">Pull Requests and repo updates</h2> <h3 id="bitcoin-core"><a href="https://github.com/bitcoin/bitcoin">Bitcoin Core</a></h3> <ul> <li><a href="https://github.com/bitcoin/bitcoin/pull/31375">multiprocess: Add bitcoin wrapper executable</a></li> <li><a href="https://github.com/bitcoin/bitcoin/pull/31444">cluster mempool: add txgraph diagrams/mining/eviction</a></li> <li><a href="https://github.com/bitcoin/bitcoin/pull/28710">Remove the legacy wallet and BDB dependency</a></li> <li><a href="https://github.com/bitcoin/bitcoin/pull/32155">miner: timelock the coinbase to the mined block’s height</a></li> <li><a href="https://github.com/bitcoin/bitcoin/pull/32423">rpc: Undeprecate rpcuser/rpcpassword, store all credentials hashed in memory</a></li> <li><a href="https://github.com/bitcoin/bitcoin/pull/32406">policy: uncap datacarrier by default</a></li> </ul> <h3 id="bips"><a href="https://github.com/bitcoin/bips">BIPs</a></h3> <ul> <li><a href="https://github.com/bitcoin/bips/pull/1800">BIP 54: Consensus Cleanup</a></li> <li><a href="https://github.com/bitcoin/bips/pull/1760">BIP 53: Disallow 64-byte transactions</a></li> <li><a href="https://github.com/bitcoin/bips/pull/1793">BIP 443: OP_CHECKCONTRACTVERIFY</a></li> <li><a href="https://github.com/bitcoin/bips/pull/1848">BIP-345: withdraw</a></li> </ul> <h2 id="new-releases">New Releases</h2> <ul> <li><a href="https://github.com/stutxo/tx-pigeon">tx-pigeon</a></li> <li><a href="https://github.com/ElementsProject/elements/releases/tag/elements-23.3.0">Simplicity merged in elements 23.3</a></li> </ul> <h2 id="miscellaneous">Miscellaneous</h2> <ul> <li><a href="https://github.com/MetacoSA/NBitcoin/pull/1269">Fix improper parsing of transaction with some nVersion</a></li> <li><a href="https://block.xyz/inside/block-to-roll-out-bitcoin-payments-on-square">Block to roll out bitcoin payments on Square</a></li> </ul>

Announcements

2025-04-30T00:00:00+00:002025-04-30T00:00:00+00:00/socratic-seminar-41<h2 id="announcements">Announcements</h2> <p>Please join us for our next Socratic Seminar. This Socratic Seminar is sponsored by <a href="https://twitter.com/bendelo">Ben Delo</a>. Please speak to the hosts if you’re interested in supporting London BitDevs.</p> <h2 id="general-links">General Links</h2> <ul> <li><a href="https://bitcoinops.org">Bitcoin Optech</a></li> <li><a href="https://bitcoincore.reviews">Bitcoin Core PR Review Club</a></li> <li><a href="https://lists.linuxfoundation.org/pipermail/bitcoin-dev">bitcoin-dev Mailing List</a></li> <li><a href="https://lists.linuxfoundation.org/pipermail/lightning-dev">lightning-dev Mailing List</a></li> </ul> <h2 id="delving-bitcoin-mailing-lists-meetings-and-bitcoin-optech">Delving Bitcoin, Mailing Lists, Meetings and Bitcoin Optech</h2> <h3 id="delving-bitcoin"><a href="https://delvingbitcoin.org/">Delving Bitcoin</a></h3> <ul> <li><a href="https://delvingbitcoin.org/t/swiftsync-speeding-up-ibd-with-pre-generated-hints-poc/1562">SwiftSync – Speeding up IBD with pre-generated hints (PoC)</a></li> <li><a href="https://delvingbitcoin.org/t/how-ctv-csfs-improves-bitvm-bridges/1591">How CTV+CSFS improves BitVM bridges</a></li> <li><a href="https://delvingbitcoin.org/t/a-simple-backup-scheme-for-wallet-accounts/1607">A simple backup scheme for wallet accounts</a></li> <li><a href="https://delvingbitcoin.org/t/evolving-the-ark-protocol-using-ctv-and-csfs/1602">Evolving the Ark protocol using CTV and CSFS</a></li> <li><a href="https://delvingbitcoin.org/t/cluster-mempool-partitioning-attacks/1548/6">Cluster mempool partitioning attacks</a></li> </ul> <h3 id="mailing-lists">Mailing Lists</h3> <h4 id="bitcoindev"><a href="https://groups.google.com/g/bitcoindev">bitcoindev</a></h4> <ul> <li><a href="https://groups.google.com/g/bitcoindev/c/0tSvml90Qcw">Consensus Cleanup BIP draft</a></li> <li><a href="https://groups.google.com/g/bitcoindev/c/9bL00vRj7OU">The Future of Bitcoin Testnet</a></li> <li><a href="https://groups.google.com/g/bitcoindev/c/FpSWUxItXQs">SwiftSync - smarter synchronization with hints</a></li> <li><a href="https://groups.google.com/g/bitcoindev/c/d6ZO7gXGYbQ">Relax OP_RETURN standardness restrictions</a></li> <li><a href="https://groups.google.com/g/bitcoindev/c/eothFkxAvK0">DahLIAS: Discrete Logarithm-Based Interactive Aggregate Signatures</a></li> <li><a href="https://groups.google.com/g/bitcoindev/c/v2mwcWtgfxM">Public disclosure of one vulnerability affecting Bitcoin Core &lt;29.0</a></li> </ul> <h3 id="meetings">Meetings</h3> <ul> <li><a href="https://bitcoincore.reviews">Bitcoin PR Review Club</a> <ul> <li><a href="https://bitcoincore.reviews/31689">#31689 Benchmark Chainstate::ConnectBlock duration</a></li> <li><a href="https://bitcoincore.reviews/31664">#31664 Add Fee rate Forecaster Manager</a></li> <li><a href="https://bitcoincore.reviews/29532">#29532 Refactor BnB tests</a></li> <li><a href="https://bitcoincore.reviews/31444">#31444 Cluster mempool: add txgraph diagrams/mining/eviction</a></li> </ul> </li> </ul> <h3 id="optech">Optech</h3> <ul> <li><a href="https://bitcoinops.org/en/newsletters/2025/03/28/">Newsletter #347</a>, <a href="https://bitcoinops.org/en/podcast/2025/04/01/">audio recap</a></li> <li><a href="https://bitcoinops.org/en/newsletters/2025/04/04/">Newsletter #348</a>, <a href="https://bitcoinops.org/en/podcast/2025/04/08/">audio recap</a></li> <li><a href="https://bitcoinops.org/en/newsletters/2025/04/11/">Newsletter #349</a>, <a href="https://bitcoinops.org/en/podcast/2025/04/15/">audio recap</a></li> <li><a href="https://bitcoinops.org/en/newsletters/2025/04/18/">Newsletter #350</a>, <a href="https://bitcoinops.org/en/podcast/2025/04/22/">audio recap</a></li> <li><a href="https://bitcoinops.org/en/newsletters/2025/04/25/">Newsletter #351</a>, <a href="https://bitcoinops.org/en/podcast/2025/04/29/">audio recap</a></li> </ul> <h2 id="cves-and-research">CVEs and Research</h2> <h3 id="research">Research</h3> <ul> <li><a href="https://hrf.org/latest/cisa-research-paper/">CISA Research Paper</a></li> <li><a href="https://b10c.me/blog/015-bitcoin-mining-centralization/">Bitcoin Mining Centralization in 2025</a></li> </ul> <h2 id="pull-requests-and-repo-updates">Pull Requests and repo updates</h2> <h3 id="bitcoin-core"><a href="https://github.com/bitcoin/bitcoin">Bitcoin Core</a></h3> <!--- Link to query merged PRs since YYYY-MM-DD sorted by descending activity: https://github.com/bitcoin/bitcoin/pulls?page=1&q=is%3Apr+is%3Aclosed+merged%3A%3EYYYY-MM-DD+sort%3Acomments-desc --> <ul> <li><a href="https://github.com/bitcoin/bitcoin/pull/31363">cluster mempool: introduce TxGraph</a></li> <li><a href="https://github.com/bitcoin/bitcoin/pull/30997">build: Switch to Qt 6</a></li> <li><a href="https://github.com/bitcoin/bitcoin/pull/31250">wallet: Disable creating and loading legacy wallets</a></li> <li><a href="https://github.com/bitcoin/bitcoin/pull/31247">psbt: MuSig2 Fields</a></li> </ul> <h3 id="bips"><a href="https://github.com/bitcoin/bips">BIPs</a></h3> <ul> <li><a href="https://github.com/bitcoin/bips/pull/1555">BIP 321: URI Scheme (Replace BIP 21 with a new BIP containing information about more modern usage of it)</a></li> </ul> <h2 id="new-releases">New Releases</h2> <ul> <li><a href="https://bitcoincore.org/en/2025/04/14/release-29.0/">Bitcoin Core 29.0 released</a></li> <li><a href="https://github.com/dergoegge/fuzzamoto">Fuzzamoto: Holistic Fuzzing for Bitcoin Protocol Implementations</a></li> <li><a href="https://lightningdevkit.org/blog/announcing-vss/">Announcing Versioned Storage Service (VSS)</a></li> <li><a href="https://github.com/aftermath2/hydrus">Hydrus</a></li> <li><a href="https://github.com/lontivero/explora">Explora - a visual tool to follow a chain of transactions</a></li> </ul> <h2 id="events-and-podcasts">Events and Podcasts</h2> <ul> <li><a href="https://www.youtube.com/playlist?list=PLDoWOGC_LqgMVew7-eKPCUX9TuRF6xy7s">OP_NEXT 2025 Recordings</a></li> </ul> <h2 id="miscellaneous">Miscellaneous</h2> <ul> <li><a href="https://x.com/rot13maxi/status/1909252898170564621">Taplocks: Verifiable but unspendable tapleafs</a></li> <li><a href="https://x.com/PortlandHODL/status/1912935936851419424">Poisson Blocks DoS vector in Bitcoin</a></li> <li><a href="https://x.com/mempool/status/1911389181101679080">Mempool Taproot Tree visualization</a></li> </ul>

Announcements

2025-03-26T00:00:00+00:002025-03-26T00:00:00+00:00/socratic-seminar-40<h2 id="announcements">Announcements</h2> <p>Please join us for our next Socratic Seminar. This Socratic Seminar is sponsored by <a href="https://twitter.com/bendelo">Ben Delo</a>. Please speak to the hosts if you’re interested in supporting London BitDevs.</p> <h2 id="general-links">General Links</h2> <ul> <li><a href="https://bitcoinops.org">Bitcoin Optech</a></li> <li><a href="https://bitcoincore.reviews">Bitcoin Core PR Review Club</a></li> <li><a href="https://lists.linuxfoundation.org/pipermail/bitcoin-dev">bitcoin-dev Mailing List</a></li> <li><a href="https://lists.linuxfoundation.org/pipermail/lightning-dev">lightning-dev Mailing List</a></li> </ul> <h2 id="delving-bitcoin-mailing-lists-meetings-and-bitcoin-optech">Delving Bitcoin, Mailing Lists, Meetings and Bitcoin Optech</h2> <h3 id="delving-bitcoin"><a href="https://delvingbitcoin.org/">Delving Bitcoin</a></h3> <ul> <li><a href="https://delvingbitcoin.org/t/ctv-csfs-can-we-reach-consensus-on-a-first-step-towards-covenants/1509">CTV+CSFS: Can we reach consensus on a first step towards covenants?</a></li> <li><a href="https://delvingbitcoin.org/t/an-exposition-of-pathfinding-strategies-within-lightning-network-clients/1500">An Exposition of Pathfinding Strategies Within Lightning Network Clients</a></li> <li><a href="https://delvingbitcoin.org/t/lnds-deadline-aware-budget-sweeper/1512">LND’s Deadline-Aware Budget Sweeper</a></li> <li><a href="https://delvingbitcoin.org/t/bitcoin-node-p2p-traffic-analysis/1490">Bitcoin node P2P traffic analysis</a></li> <li><a href="https://delvingbitcoin.org/t/op-checkcontractverify-and-its-amount-semantic/1527">OP_CHECKCONTRACTVERIFY and its amount semantic</a></li> <li><a href="https://delvingbitcoin.org/t/disclosure-lnd-excessive-failback-exploit/1493">Disclosure: LND Excessive Failback Exploit</a></li> <li><a href="https://delvingbitcoin.org/t/the-ark-case-for-ctv/1528">The Ark case for CTV</a></li> <li><a href="https://delvingbitcoin.org/t/antoine-poinsot-on-bitcoin-cores-priorities/1470">Antoine Poinsot on Bitcoin Core’s Priorities</a></li> <li><a href="https://delvingbitcoin.org/t/bitcoin-forking-guide/1451">Bitcoin Forking Guide</a></li> <li><a href="https://delvingbitcoin.org/t/best-worst-case-mevil-response/1465">Best-(Worst-)Case MEVil Response</a></li> </ul> <h3 id="mailing-lists">Mailing Lists</h3> <h4 id="bitcoindev"><a href="https://groups.google.com/g/bitcoindev">bitcoindev</a></h4> <ul> <li><a href="https://groups.google.com/g/bitcoindev/c/uUK6py0Yjq0">Against Allowing Quantum Recovery of Bitcoin</a></li> <li><a href="https://groups.google.com/g/bitcoindev/c/iVLHJ1HWhoU">Unbreaking testnet4</a></li> <li><a href="https://groups.google.com/g/bitcoindev/c/jr1QO95k6Uc">Hashed keys are actually fully quantum secure</a></li> <li><a href="https://groups.google.com/g/bitcoindev/c/Tu7mr419jWQ">“Recursive covenant” with CTV and CSFS</a></li> <li><a href="https://groups.google.com/g/bitcoindev/c/oQKezDOc4us">P2QRH / BIP-360 Update</a></li> <li><a href="https://groups.google.com/g/bitcoindev/c/8PM6iZCeDMc">Proposal for Quantum-Resistant Address Migration Protocol (QRAMP) BIP</a></li> <li><a href="https://groups.google.com/g/bitcoindev/c/rf3QOlzg230">Update on the Great Consensus Cleanup Revival</a></li> </ul> <h3 id="meetings">Meetings</h3> <ul> <li><a href="https://bitcoincore.reviews">Bitcoin PR Review Club</a> <ul> <li><a href="https://bitcoincore.reviews/v29-rc-testing">Testing Bitcoin Core 29.0 Release Candidates</a></li> <li><a href="https://bitcoincore.reviews/31405">#31405 Stricter internal handling of invalid blocks</a></li> </ul> </li> </ul> <h3 id="optech">Optech</h3> <ul> <li><a href="https://bitcoinops.org/en/newsletters/2025/02/28/">Newsletter #343</a>, <a href="https://bitcoinops.org/en/podcast/2025/03/04/">audio recap</a></li> <li><a href="https://bitcoinops.org/en/newsletters/2025/03/07/">Newsletter #344</a>, <a href="https://bitcoinops.org/en/podcast/2025/03/11/">audio recap</a></li> <li><a href="https://bitcoinops.org/en/newsletters/2025/03/14/">Newsletter #345</a>, <a href="https://bitcoinops.org/en/podcast/2025/03/18/">audio recap</a></li> <li><a href="https://bitcoinops.org/en/newsletters/2025/03/21/">Newsletter #346</a>, <a href="https://bitcoinops.org/en/podcast/2025/03/25/">audio recap</a></li> </ul> <h2 id="cves-and-research">CVEs and Research</h2> <h3 id="research">Research</h3> <ul> <li><a href="https://b10c.me/observations/14-antpool-and-friends-invalid-mining-jobs/">Invalid mining jobs by AntPool &amp; friends during forks</a></li> </ul> <h2 id="pull-requests-and-repo-updates">Pull Requests and repo updates</h2> <h3 id="bitcoin-core"><a href="https://github.com/bitcoin/bitcoin">Bitcoin Core</a></h3> <!--- Link to query merged PRs since YYYY-MM-DD sorted by descending activity: https://github.com/bitcoin/bitcoin/pulls?page=1&q=is%3Apr+is%3Aclosed+merged%3A%3EYYYY-MM-DD+sort%3Acomments-desc --> <ul> <li><a href="https://github.com/bitcoin/bitcoin/pull/31283">Add waitNext() to BlockTemplate interface</a></li> <li><a href="https://github.com/bitcoin/bitcoin/pull/31278">wallet, rpc: deprecate settxfee and paytxfee</a></li> <li><a href="https://github.com/bitcoin/bitcoin/pull/31407">guix: Notarize MacOS app bundle and codesign all MacOS and Windows binaries</a></li> <li><a href="https://github.com/bitcoin/bitcoin/pull/31649">consensus: Remove checkpoints (take 2)</a></li> </ul> <h3 id="bips"><a href="https://github.com/bitcoin/bips">BIPs</a></h3> <ul> <li><a href="https://github.com/bitcoin/bips/pull/1768">BIP159 updates</a></li> <li><a href="https://github.com/bitcoin/bips/pull/1758">BIP374: Add message to rand computation</a></li> <li><a href="https://github.com/bitcoin/bips/pull/1794">BIP3: Move to Proposed</a></li> </ul> <h2 id="new-releases">New Releases</h2> <ul> <li><a href="https://github.com/bitcoin/bitcoin/releases/tag/v29.0rc2">Bitcoin Core 29.0rc2</a></li> </ul> <h2 id="miscellaneous">Miscellaneous</h2> <ul> <li><a href="https://payjoindevkit.org/2025/03/18/the-evolution-of-payjoin/">The Evolution of Payjoin: From Two-Party Protocol to Multiparty Framework</a></li> <li><a href="https://www.dmnd.work/index.html">DEMAND pool launches first full Stratum V2 mining pool</a></li> <li><a href="https://blog.second.tech/try-ark-on-signet/">Try Ark on signet</a></li> </ul>

Announcements