# Socratic Seminar 021 - Date: Wed, Sep 30, 2026 (ET) (`2026-09-30`) - Relative: in 4 weeks - Timezone: ET (America/New_York) - Venue: PubKey DC, 410 7th St NW, Washington DC 20004 - RSVP: https://luma.com/hlpzv0nh - Doors: 5:30pm ET - Seminar: 6:00pm ET - Depart: 8:30pm ET - Tags: core, lightning, mining, policy, infosec, covenants - HTML: https://bitdevsdmv.com/events/socratic-021 - Markdown: https://bitdevsdmv.com/events/socratic-021.md ## Ground rules 1. **No photos, videos, or recordings.** 2. [Chatham House Rule](https://en.wikipedia.org/wiki/Chatham_House_Rule): you may reiterate the contents of the meeting *without* attribution. These rules exist so that BitDevs participants can speak freely within the event. Questions are encouraged, including basic ones! Full chapter rules: [Ground rules](/rules). ## Location [PubKey DC](https://www.pubkey.bar/dc/home), [410 7th St NW, Washington DC 20004](https://www.google.com/maps/search/?api=1&query=410+7th+St+NW+Washington+DC+20004). Thank you to PubKey DC for hosting. ## Schedule - **5:30pm – 6:00pm ET** — Doors open and social half hour - **6:00pm – 8:30pm ET** — BitDevs Socratic Seminar - **8:30pm ET** — Departure ## Parking / transport - **Metro** — Gallery Place–Chinatown (Red, Green, Yellow), one block from the venue; or Metro Center (Silver, Orange, Blue), about a 10-minute walk - **Parking** — multiple garages in Penn Quarter ## Technical / Protocol ### Bitcoin Core 31.1 - [Release announcement](https://bitcoincore.org/en/2026/07/08/release-31.1/) - [Release notes](https://bitcoincore.org/en/releases/31.1/) - [Delving Bitcoin announcement](https://delvingbitcoin.org/t/bitcoin-core-v31-1-released/2696) ### Bitcoin Core v32: Parallel Prevout Fetcher - [PR #35295 (validation: fetch block input prevouts in parallel during ConnectBlock)](https://github.com/bitcoin/bitcoin/pull/35295) - [IBD tracking PR](https://github.com/bitcoin/bitcoin/pull/32043) - [Release schedule for v32.0](https://github.com/bitcoin/bitcoin/issues/35122) - [Cryptobriefing writeup](https://cryptobriefing.com/bitcoin-parallel-input-fetcher-sync/) ### Coldcard Exploit - [Bitcoin Optech #416](https://bitcoinops.org/en/newsletters/2026/07/31/) - [TRM Labs analysis](https://www.trmlabs.com/resources/blog/the-largest-hardware-wallet-exploit-of-2026-inside-the-usd-116-million-coldcard-hack) - [CoinDesk](https://www.coindesk.com/business/2026/07/31/coldcard-s-usd38-million-so-far-exploit-shakes-faith-in-self-custody-may-push-investors-to-etfs) ### btc-verified: Formal Verification of the Bitcoin Protocol - [GitHub](https://github.com/ProofOfKeags/btc-verified) - [Bitcoin Optech #414](https://bitcoinops.org/en/newsletters/2026/07/17/) ### Covenants: CTV, OP_CAT, and BIP 448 - [OP_CTV (BIP 119)](https://bips.dev/119/) - [OP_CAT (BIP 347)](https://bips.dev/347/) - [BIP 448 draft](https://github.com/bitcoin/bips/pull/1802) - [Saylor constitutional framing (July 28)](https://www.tftc.io/saylor-bitcoin-constitution-covenants-bip-110-governance) ## Security ### Core Lightning 26.06.7 - [Release](https://github.com/ElementsProject/lightning/releases/tag/v26.06.7) - [Blockstream blog](https://blog.blockstream.com/core-lightning-26-06-7/) ### HWI Moving to Maintenance Mode - [Bitcoin Optech #418](https://bitcoinops.org/en/newsletters/2026/08/14/) ## Lightning ### LND v0.21 - [Release announcement](https://lightning.engineering/posts/2026-06-11-lnd-0.21-launch/) - [GitHub release](https://github.com/lightningnetwork/lnd/releases/tag/v0.21.0-beta) ### Core Lightning 26.06 - [Release announcement](https://blog.blockstream.com/core-lightning-26-06-quantum-resistant-lightning-channel/) - [GitHub release](https://github.com/ElementsProject/lightning/releases/tag/v26.06) ### Taproot Assets v0.8 and Stablecoin SDK - [Release announcement](https://lightning.engineering/posts/2026-06-23-tapd-0.8-launch/index.html) ## Mining and Governance ### BIP-110 Failure, Ocean Split, and the PoW Change Argument - [CoinDesk: BIP-110 mines two blocks then stops](https://www.coindesk.com/tech/2026/08/09/controversial-bitcoin-fork-bip-110-mines-two-blocks-then-stops) - [CoinDesk: miner rejects BIP-110 while mining through Ocean (DATUM)](https://www.coindesk.com/markets/2026/08/10/bitcoin-miner-rejects-bip-110-despite-mining-through-a-pool-that-supported-it) - [CoinDesk: BIP-110 fork 300 blocks behind](https://www.coindesk.com/tech/2026/08/11/bitcoin-s-bip-110-fork-is-300-blocks-behind-btc-and-six-years-from-fixing-itself) - [Decrypt: Luke Dashjr removed as BIP editor](https://decrypt.co/375310/luke-dashjr-removed-as-bip-editor-after-bip-110-bitcoin-fork-stalls) - [CoinDesk: Luke Dashjr removed as BIP editor](https://www.coindesk.com/tech/2026/08/11/luke-dashjr-removed-as-bitcoin-bip-editor-after-controversial-bip-110-fork-stalls) - [crypto.news: BIP-110 failure and governance](https://crypto.news/bip-110-bitcoin-fork-failed-governance-2026/) ### Stratum V2: 75% of Hashrate Commits - [CoinDesk](https://www.coindesk.com/markets/2026/05/11/bitcoin-mining-pools-with-75-of-btc-hashrate-join-open-standard-for-block-construction) - [Stratum V2 Working Group](https://stratumprotocol.org) ### Poolin Bankruptcy - [Yahoo Finance](https://finance.yahoo.com/markets/crypto/articles/poolin-once-one-bitcoins-biggest-174448133.html) - [NewsBTC](https://www.newsbtc.com/news/poolin-files-chapter-11-as-bitcoin-miner-moves-toward-52m-asset-sale/) - [D-Central analysis](https://d-central.tech/poolin-bankruptcy-end-of-mining-as-a-business/) ## Policy / DC ### CLARITY Act: September 15 Cloture Vote - [Congress.gov (H.R. 3633)](https://www.congress.gov/bill/119th-congress/house-bill/3633) - [Cloture filing and September 15 vote](https://natlawreview.com/article/digital-asset-update-clarity-act-takes-another-step-forward) - [CLARITY Act status tracker](https://homecryptoinvest.com/articles/clarity-act-update-2026.html) ## Bitcoin Commons ### Public Alpha and Differential Testing - [BLVM documentation](https://docs.thebitcoincommons.org/) - [Differential testing](https://docs.thebitcoincommons.org/development/differential-testing.html) - [Formal verification](https://docs.thebitcoincommons.org/consensus/formal-verification.html) - [blvm-bench](https://github.com/BTCDecoded/blvm-bench)