Announcements

• Respect people’s privacy
• Interaction and asking questions are encouraged
• Austin Bitdevs continues!
• Chatham House Rules
• Btc++ Vegas

Releases

• Bitcoin Core v31
  • asmap
  • Private transaction broadcast
  • Cluster Mempool
• Final release of JoinMarket
• Megalithic releases Ruby NWC Client
• ColdCard 6.5.0 adds MuSig2 and Miniscript
• Frigate 1.4.0
• Knots new release v29.3 includes bip 110 RDTS
• boardwalk.cash becomes Agi.cash Bitcoin rewards
• nucula: Cashu ecash wallet for ESP32-C6 with NFC tap-to-pay

Delving

• Eltoo State Chain on Signet Again: Three Rounds, Two Transactions (CSFS + CTV, with rekey and ladder, no CAT)
• Discussion of using nested MuSig2 in the Lightning Network
• TCP hole punching for Bitcoin nodes behind home NATs?
• Bird of Prey 2: non-malleable Schnorr + PQ signatures

Mailing List

• Formal verification of secp256k1 modular scalar multiplication
• Declarative executable specification of Bitcoin consensus rules-tobysharp/hornet
• CVE-2024-52911 - Bitcoin Core Script Interpreter Remote Crash
• Simple Taproot Channels merged into BOLTs
• BIP Draft: P2P UTXO Set Sharing
• RFC: Two years of BIP Editing, time for some new faces?

BIPs

• BIP 138: Compact Encryption Scheme for Non-seed Wallet Data
• BIP 139: Wallet Metadata Backup Format
• BIP 323: 24 nVersion bits for general purpose use
• BIP 376: Spending silent payments with PSBTs - nymius
• BIP 450: Formosa—Seed Encoding per Themed Mnemonic Stories
• BIP 451: Dust UTXO Disposal Protocol

Mining

• OpenSats: Open Hardware for Open Money
• Bitcoin Mining Renaissance: Stratum V2, Nonce Space, and the DIY Miner Comeback
• Supertestnet’s Hashrate Market Idea
• elektronics.dev
• Two Solo Blocks, One Operator, Over $500,000 - Solo Satoshi
• Find a Bitaxe seller - Bitaxe website gets an update
• ANTPOOL, Block, F2Pool, Foundry, MARA, SpiderPool & DMND Join SV2 working group
• HashTub - Bitcoin-Powered Cedar Hot Tub by Snorkel
• ViaBTC started mining <1 sat vbyte transactions
• Inertial Mining: Equilibrium Implementation of the Bitcoin Protocol

Quantum

• Bitcoin and Quantum Computing: A Roadmap - Neha Narula
• How to Resolve the Matter of Satoshi’s Coins without a Freeze - Nic Carter
• OP_CHECKSHRINCS: A Hash-Based Signature Opcode for Post-Quantum Bitcoin
• Zinc+: SNARKs for Polynomial Rings - Nethermind Research
• PACTs: Protecting Your Bitcoin From a Quantum Sunset
• Scott Aaronson AMA on Stacker News
• Alex Pruden AMA
• Project Eleven releases Quantum Vault
• The predictable failure of the Q-Day Prize

Tools

• Bitcoin PIR
• SAKE: Script Army Knife Emulator - Nudvi
• SparkStalker
• Bitcoin Knowledge Base
• virtual-private-node: private Bitcoin and Lightning node manage from terminal UI
• TXRay
• Bitcoin Math Primer: Competing Poisson Processes
• hodlhodl testing “lightning” trades via arkade
• Monitoring of Bitcoin DNS seeds
• Pieter Wuille’s tutorial for libsecp256k1
• Pyrus Financial - Bitcoin equity loans
• Roulette in a Bitcoin Payment Channel - Robin Linus
• bitcoinprivacy.wiki
• Bitcoin Math Puzzle #004: Selfish Mining
• getonbtc.com
• Bitcoin for Nonprofits: A Guide To Help Your Movement Achieve Financial Freedom
• og-zkp

News

• Flaco - Building a Bitcoin Circular Economy: Five Spectrums You Have to Navigate
• Nik Bhatia: Stablecoins as Statecraft
• Allen Farrington - Number Go Down
• Brink - 2025 Engineering Impact Report
• Bitcoin Optech #400
• NYT says Adam Back is Satoshi
• Fake Ledger Nano S Plus’s being sold on third-party marketplaces - BitcoinNews
• Our First Annual Report - 2140 Foundation
• New layer two proposal: Bitcoin Deposits - ynniv
• Defending Bitcoin - Luke de Wolf
• Grin lesson for bitcoin?
• Bitnodes.io shutting down?
• Unchained’s new ad video in The Atlantic
• The Fabric of Desires - Nick Szabo (2026)
• ‘Everyone Is Lying to You for Money’ is almost a great bitcoin documentary
• Bisq vulnerability being exploited, trading halted
• Careful, Icarus - Gigi
• Rusty Russell: I’m leaving Blockstream to try to start up CenturyMetadata.org
• John Carvalho releases Convservation of Blockspace paper
• Pleblab announces Startup Day Guadalajara
• Mempool Policy is Bitcoin’s Administrative State - Buck Perley
• Prime Trust estate demands $970M in digital assets, cash from Swan in court
• Paul Sztorc announces Ecash Fork
• Alekos Filini announces Enclavia