Announcements

Please join us for our next Socratic Seminar. A special thank you to our sponsors CardCoins, Chaincode Labs and Wolf NYC for food, refreshments and event space.

If you can’t make it to the main event please join us at PUBKEY around 9:30PM. Learn about this awesome new establishment here.

Mailing Lists, Meetings and Bitcoin Optech

Mailing Lists

bitcoin-dev

• BIP for OP_VAULT (OP_FLU and OP_CTV)
• Using service bit 24 for utreexo signaling in testnet and signet
• BIP: Trust minimized swaps using PSBT, SINGLE + ANYONECANPAY and nostr

lightning-dev

• [Proposal] Payment Route Reservation
• Onion messages for probing scheme
• Resizing Lightning Channels Off-Chain With Hierarchical Channels
• Payment correlation attacks

dlc-dev

• Solving the Free Option Problem for Onchain DLCs Inbox

Meetings

• Bitcoin PR Review Club
• 26403 Ephemeral Anchors
• 27050 Don’t download witnesses for assumed-valid blocks when running in prune mode
• 27006 Reduce cs_main scope, guard block index ‘nFile’ under a local mutex
• 25325 Add pool based memory resource
• 25038 nVersion=3 and Package RBF
• Bitcoin Core general developer meetings
  • March 2nd
  • March 9th
  • March 16th
  • March 23rd
• Bitcoin Core wallet meetings
  • March 10th
  • March 24th: no Meeting
• Lightning Specification meeting
  • February 27th
  • March 13th
  • March 27th

Optech

• Newsletter #240, audio recap
• Newsletter #241, audio recap
• Newsletter #242, audio recap
• Newsletter #243, audio recap
• Newsletter #244, audio recap

Network Data

• 500 new nodes from two hosts, likely sybils
• Anomalous HTLC resolutions times across Lightning Network
• Celsius WBTC moving through FalconX
• Majority of nostr zaps collected by custodial lightning wallets
• mempool reaches record 928MB in size
• More hashes in 24 seconds than grains of sand on earth
• Ordinals data dashboard
• Ordinal inscribers rebroadcasting evicted collections
• Ordinal inscriptions trigger resurgence counterparty bare multisig data encoding
• Portion of seized Silk Road Bitcoin on the move
• Multiple stale blocks - 781277, context - 1, 2, 781487
• Wallet of Satoshi approaching 1m payments per month

CVEs and Research

Research

• BIP32-Compatible Threshold Wallets
• Bitcoin Network Topology Discovery Using Timing Analysis
• Exploring Unconfirmed Transactions for Effective Bitcoin Address Clustering
• Fully Adaptive Schnorr Threshold Signatures
• Making Classical (Threshold) Signatures Post-Quantum for Single Use on a Public Ledger
• New Records in Collision Attacks on RIPEMD-160 and SHA-256
• Price of Anarchy in the Lightning Network
• Red Team vs. Blue Team: A Real-World Hardware Trojan Detection Case Study Across Four Modern CMOS Technology Generations
• Research on Elliptic Curve Crypto System with Bitcoin Curves – SECP256k1, NIST256p, NIST521p and LLL
• SGXonerated: Finding (and Partially Fixing) Privacy Flaws in TEE-based Smart Contract Platforms Without Breaking the TEE

InfoSec

• 147 Block Reorg on Polygon
• aCropalypse: Recovering Truncated PNGs
• The red pill attack
• Bitbns allegedly covers up $7.5m hack
• BitGo Ethereum TSS key extraction vulnerability
• CASPER: Covert Channel Using Internal Speakers
• ChipMixer taken down by joint task force, seizure funds associated with Hydra seizure
• Edge Wallet leaks private keys in logs sent to server, funds stolen
• Framing Frames: Bypassing Wi-Fi Encryption by Manipulating Transmit Queues
• Further details of the LastPass hack
• GeneralBytes BTM security incident
• GitHub updates RSA SSH host key
• Multiple CVEs in threshold cryptography implementations
• Polynonce: A Tale of a Novel ECDSA Attack and Bitcoin Tears
• Jumpo Crypto counter-hacks Wormhole exploiter
• Verichains Discovers Critical Key Extraction Attacks in Popular Threshold Signature Scheme for MPC Wallets and Digital Asset Custody

Pull Requests and repo updates

BIPs

• BIP327: MuSig 2
• BIP93: Codex32

BOLTs

• Route Blinding (Feature 24/25)

Bitcoin Core

• assumeutxo: background validation completion
• wallet: group outputs only once, decouple it from Coin Selection
• refactor / kernel: Move non-gArgs chainparams functionality to kernel
• p2p: Improve diversification of new connections
• Remove MarcoFalke fingerprint, update trusted-git-root

Core Lightning

• Update libwally to 0.8.8, Support PSBTv2 and PSETv2

LDK

• BOLT 12 deserialization fuzzers
• Allow overshooting final HTLC amount and expiry #2062

eclair

• Add limit for incoming connections from peers without channels

libsecp

• Native jacobi symbol algorithm
• build: Add CMake-based build system

lnd

• Replace FundingLocked with ChannelReady
• Check for nonWitness UTXO or witness UTXO data in the PSBT inputs
• watchtower: let client recover after data loss

rust-bitcoin

• Implement support for Hidden nodes in taproot trees and Fix taproot serde bugs

secp256k1-zkp

• Bulletproofs++: Norm argument

New Releases

• BTCPayServer Wabisabi CoinJoin Plugin
• libsecp256k1 v0.3.0 - cmake support

Events and Podcasts

• The Chaincode Podcast: Andrew Chow – Bitcoin Core wallet
• The Chaincode Podcast: Tadge Dryja - Lightning History and everything else

Mining

• Hedging renewable energy investments with Bitcoin mining
• Terawulf Brings First Fully Nuclear-Powered Bitcoin Mining Operation In America Online

Miscellaneous

• A History of Bitcoin Maximalism
• Bitcoin CoreDev reflections 2022-2023
• BraiinsOS no longer open source?
• Draft PR integrating Simplicity into Elements
• eclair splice specification proposal
• Introducing Floresta, a Utreexo-powered Electrum Server implementation
• Lightning Prisms
• LinkingLion: An entity linking Bitcoin transactions to IPs?
• lnproxy back online
• Spiral grants - okjodom
• Payjoin.org
• The Breez Open-LSP Model: Scaling Lightning by Sharing ROI with 3rd-Party LSPs
• The Mining Development Kit - Unlocking Innovation in Bitcoin Mining
• Tornado Cash and Blockchain Privacy: A Primer for Economists and Policymakers
• Toy implementation of Musig2 in Scala
• We are the Bitcoin Product Community
• Zerosync Association formally announces chain compression project