Socratic Seminar 69
2026-04-02
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 Mar 3rd to April 1st.
Chain Weather Report
- Clark Moody Dashboard
- Mempool
- Hashrate & Difficulty
- Block Fee Rates
- Block Rewards 1m
- UTXO Spend Age
- Bitcoin Stale Block Dataset
Discussion
News, Tweets & Misc
- River Bitcoin Adoption Report 2026
- Square Bitcoin terms of service update auto-enrolls eligable sellers
- BPI & industry participants advocate for De Minimus exemption for Bitcoin
- Mara mines their first BIP54 compatible block
- Tether launches MiningOS
- Bitcoin TUI
Blogs
- Localhost Research: Transparency Report 003
- ProductionReady launches
- Casey shares recommendations on BIP process improvements
- Blockstream Research Demonstrates Quantum-Resistant Transaction Signing on Liquid Using Simplicity Smart Contracts
- Blockstream Research Brings libsecp256k1-zkp Back Up to Speed
bitcoin-dev
- Extensions to standard tooling for TEMPLATEHASH-CSFS-IK support
- Building a CoinPool with OP_CHECKCONTRACTVERIFY
Delving Bitcoin
- Stateless VTXO Verification: Decoupling Custody from Implementation-Specific Stacks
- Introducing UltrafastSecp256k1: A Multi-Architecture Exploration of Secp256k1 Optimizations
- How wallet fingerprints damage Payjoin privacy
- Compact Isogeny PQC can replace HD wallets, key-tweaking, silent payments
BNOC
CVEs and Research
Research
- SHRIMPS: 2.5 KB post-quantum signatures across multiple stateful devices
- Lattice HD Wallets: Post-Quantum BIP32 Hierarchical Deterministic Wallets from Lattice Assumptions
BIPs
- BIP Draft: 24 bits for nVersion nonce space instead of 16
- BIP Draft: Blind Relay: Stateless Encrypted WebSocket Coordination for PSBTs
- BIP352: Introduce per-group recipient limit K_max (=2323)
- BIP440: Varops Budget for Script Runtime Constraint, BIP441: Restoration of disabled Script (tapleaf 0xc2)
- BIP446: OP_TEMPLATEHASH and BIP448: Taproot-native (Re)bindable Transactions
Noteworthy PRs
Bitcoin Core
- policy: don't CheckEphemeralSpends on reorg
- Cluster mempool: SFL cost model (take 2)
- cli: rework -addrinfo cli to use addresses which aren’t filtered for quality/recency
- Bump dbcache to 1 GiB
- rpc: allow writing UTXO set to a named pipe
- crypto: Use secure_allocator for AES256_ctx
- rpc, logging: add backgroundvalidation to getblockchaininfo
- tor: enable PoW defenses for automatically created hidden services
- kernel: Add API getter functions for timelock fields (nLockTime, nSequence)