Special thanks to Chaincode Labs and NYU Blockchain Digital Asset Forum for food, refreshments and event space.

Presentation

• Michael Shaulov - Fireblocks

Mailing Lists and Bitcoin Optech

Mailing Lists

bitcoin-dev

• Analysis of Bech32 swap/insert/delete detection and next steps
  • Test vectors for bech32 insertion/deletion weakness for 20 and 32 byte starting lengths
• Opinion on non-equal value coinjoins
• OP_CTV Workshop
• Blind Merged Mining with covenants ( sighash_anyprevout / op_ctv )

lightning-dev

• On path privacy
• Lightning in a Taproot future

Optech

• Newsletter #75
• Newsletter #76
• Newsletter #77
• Newsletter #78: 2019 Year-in-Review Special
• Newsletter #79

Network Data

• Bitcoin node count history
• Bitfinex LN stats
• A look back at Bitcoin’s 11th year

CVEs and Research

Research

• Compact Storage of Superblocks for NIPoPoW Applications
• Too Much Crypto
• Reducing the Bandwidth of Block Propagation in Bitcoin Network With Erasure Coding
• Gnocchi: Multiplexed Payment Channels for Cryptocurrencies
• Imbalance measure and proactive channel rebalancing algorithm for the Lightning Network

InfoSec

• List of Hardware Wallet Attacks
• The pitfalls of multisig when using hardware wallets
• Can we build trusted hardware?
• StrandHogg: Serious Android vulnerability leaves most apps vulnerable to attacks.
• Zombieload
• Plundervolt: Flipping Bits from Software without Rowhammer
• TrustZone-M(eh): Breaking ARMv8-M’s security
• SHA-1 is a Shambles
• Header attack on parity nodes

Pull Requests and repo updates

Bitcoin Core

• Test coverage now includes fuzzing coverage
• Add RPC Whitelist Feature from #12248

c-lightning

• Add a sendcustommsg RPC call and a custommsg plugin hook for experimental protocol extensions
• Generate a static tor onion address persistent unique to the node id
• EXPERIMENTAL: MPP send and receive support (lowlevel)
• Let invoice command specify exact channel(s) to share
• Add a data_version to the db_write hook an implement optimistic locking

lnd

• lncli+invoices: experimental key send mode
• Add optional close address
• Add Option Upfront Shutdown
• build+lncli: default to hex encoding for byte slices

BOLTS

• Base AMP
• Anchor outputs

Joinmarket

Privacy

• Binance freezes coinjoin’d funds
• Discussion on CT in Bitcoin
• Tracking PlusToken Scammers with White Hat Bitcoin Chain Analysis
• Wasabi Research Club #1 - Knapsack Mixing
• scrit implementation

Miscellaneous

• Sipa - bip-taproot
• Schnorr / Taproot BIP Review Sessions complete
• Gleb Naumenko - Current state of P2P research in Bitcoin / Erlay
• Murch - Unspent Management and Coin Selection
• Dangers of centralizing DNS
• AJ Towns - Bitcoin development prioritisation
• Michael Ford - reducing Bitcoin build dependencies
• Conner Fromknecht – Bitcoin Lightning Watchtowers in depth
• c-lightning feature review
• codechain: multiparty code reviews with signatures and hash chains
• BitMEX Research Launches Penalty Transaction Alert System
• John Newbery - year in review
• GoldenEye: Running Bitcoin from Space with Blockstream
• Caravan - stateless multisig coordinator that integrates your hwws with your node