Socratic Seminar 75
2026-10-01
Housekeeping
- This meetup is generously sponsored by Digital Garage, Pubkey, and Bitnomial.
- Questions are encouraged, including basic ones!
- Socratic Seminars are held under the Chatham House Rule: share the information you receive, but do not reveal the identity of who said it.
- For the privacy of other attendees, please refrain from taking photographs of other people without their permission.
- Socratic seminars are best when the moderator can let the conversation flow, so try to keep things concrete and focused.
- The reading list covers September 2nd to September 29th.
Chain Weather Report
Discussion
News, Tweets & Misc
Blogs
- Something's been bugging me
- Ledger CTO On SHRINCS & Bitcoin's Post-Quantum Migration
- Iceberg: Nested Threshold Signatures for Lightning
bitcoin-dev
- Comparison of Bitcoin Covenant Proposals for Vaults
- Silent payments light clients: measurements and index commitments
Delving Bitcoin
- Depots: Theft-Proof, Self-Custodial Bitcoin For Billions Of Users
- EC OTS (onchain). Has anyone considered it?
- Bounds on chain length with BIP-54 timewarp fixes
- Implicit Deletions and Improvements in Utreexo IBD
- Block-wide Signature Aggregation via SNARKs
- Institutional Grade Spending Policies for Statechains
- PQLN: Post-Quantum Security for the Bitcoin Lightning Network's Off-Chain Surfaces
BNOC
CVEs and Research
Research
- Shielded Bitcoin: Private Transfers on the Bitcoin L1 (paper)
- BMuSig2: Schnorr-Compatible Blind Multi-Signatures
- Computing 256-bit elliptic curve discrete logarithms in 26 days on a fault-tolerant trapped-ion quantum computer with 20,000 qubits
- BitVM-448: Covenant-Based BitVM3 Bridges
InfoSec
- How the Liquid Network Hack Worked: The Range Proof Cache Bug
- Liquid Network Security Incident Assessment
- mononaut on what was exploited in the Liquid incident
Improvement Proposals
BIPs
- BIP 332: Stale Tip Relay
- BIP 461: Deterministic ECDSA Signatures
- BIP Proposal: BIP324 One-Byte Message Type ID Alias Assignment
- BIP Draft: Unspendable Internal Keys for Wallet Policies
Noteworthy PRs
Bitcoin Core
- Multisig Wizard tracking issue
- miner: Enforce Murch-Zawy rule (BIP54)
- validation: abort on DB unreadable coins instead of treating them as missing
- util: keep wallet names literal in notification commands
- wallet: avoid a crash when creating a wallet with -nosettings
- wallet, descriptor: Revert
StringType::COMPATfor Miniscript expressions and drop the concept of a Descriptor ID that can be validated - psbt: preserve sighash type when merging inputs
- p2p: don't disconnect manual peers for block stalling
- wallet: Fix
CWalletTxmalleated transaction metadata sync - feature: Use different datadirs for different signets
lnd
- bolt12: add Merkle tree and BIP-340 message signatures
- walletrpc: retain input leases through spend confirmation
- invoices: cancel only the failing AMP set on reconstruction failure
- bolt12: add string-codec wrappers and fuzz harnesses
Core Lightning
- feerates: bound peer-supplied and stored values (v26.06.7 security, 1/7)
- channeld: splice, STFU and channel-open handling (v26.06.7 security, 2/7)
- lightningd: onchain close, reorg and preimage handling (v26.06.7 security, 3/7)