Announcements

Welcome to the first Tokyo BitDevs Socratic Seminar. The following material will guide the technical discussion.

Liquid Network Security Incident (September 2026)

• Liquid Network Security Incident Assessment (Blockstream)
• How cache optimization caused inflation on Liquid
• Liquid Network $320M Range-Proof Cache Exploit

Post-Quantum Cryptography / Quantum Resistance

• Ledger CTO On SHRINCS & Bitcoin’s Post-Quantum Migration
• SHRINCS: 324-byte stateful post-quantum signatures

PQLN: Lightning-specific

• PQLN: Post-Quantum Security for the Bitcoin Lightning Network’s Off-Chain Surfaces
• PQLN (arXiv:2609.13781)

Covenants, Vaults, and Related Soft-Fork Ideas

• BIP 54 and bip54.org
• miner: Enforce Murch-Zawy rule (BIP54)
• Bounds on chain length with BIP-54 timewarp fixes
• Comparing Bitcoin Covenant Proposals for Vaults
• Comparison of Bitcoin Covenant Proposals for Vaults

Silent Payments (BIP-352) and Light Clients

• BIP-352 on GitHub
• Silent Payments Explained
• Silent Payments
• Silent payments light clients: measurements and index commitments
• silentpayments-measurements

Lightning Network Security & Improvements

• Iceberg: Nested Threshold Signatures for Lightning
• Disclosure: Crashing CLN with a flood of pings
• Disclosure: DoS vulnerabilities fixed in Eclair v0.14.0
• Disclosure: DoS vulnerabilities fixed in Eclair v0.14.1
• LND and Core Lightning

Bitcoin Core Development & Releases

• Enforce Murch-Zawy rule
• Bitcoin Core 32.0rc2 release candidate is available

Privacy & Advanced Constructions

• Shielded Bitcoin: Private Transfers on the Bitcoin L1 (Alloc Init)