Special thanks to Chaincode Labs and NYU Blockchain Digital Asset Forum for food, refreshments and event space. If you can’t make it to the main event please join us at Dragon Energy Night II (GIGAMEGS) for the after-party.

For all those in town for Consensus 2019, welcome! Please join us for our 92nd Socratic Seminar.

Presentations

• Anthony Towns - SIGHASH_ANYPREVOUT

ML and Bitcoin Optech

• Taproot proposal mailing list post.
  • Proposal for Taproot BIP
  • Proposal for Tapscript BIP
  • Proposal for Schnorr Signature BIP
  • Optech explanation of Taproot
• SIGHASH_ANYPREVOUT
• Bitcoin Core 0.18.0 released

Network Data

• Transactions per day near ATH
• 96 particpant CoinJoin
• CoinJoins as a percentage of all Bitcoin payments have tripled to 4.09% over the past year
• Non-segwit blocks
• BCH spam
• Unilateral closes and breach remedy transactions

CVEs and Research

Research

• The multiparty symmetrical Schnorr signature scriptless script shuffle
• Scriptless script shuffle variation
• Russel O’Connor on Simplicity
• Christian Decker on future of LN

InfoSec

• cpu.fail
• A Timeline of the most infamous 51% attacks in crypto history
• Electrum botnet steals $4.6 million in Bitcoin, cryptocurrencies
• 7000 BTC Binance hack
• Zerocoin Inflation Vulnerability
• Tor 0.4.0.5 (circuit padding)

Pull Requests

Bitcoin Core

• Rewrite DoS interface between validation and net_processing #15141.
• [POLICY] Make sending to future native witness outputs standard #15846.

Eclair

• Add simple plugin support #927. See also the Eclair plugin documentation.
• Live channel database backup #951

The month in Lapps

Tools/Wallets

• Lightning Labs desktop app released on mainnet
• c-lightning plugins
• lnd 0.6.1

Apps

• Final Message, a dead man’s switch powered by lightning payments
• TipHub - non custodial tipping for open source
• Lightning Agar - Eat players to earn sats

Misc.

• Magical Crypto Conference Transcripts
• Programmers solve MIT’s 20-year-old cryptographic puzzle
• Gotenna w/ Blockstream Satellite
• Elements Alpha 0.17.0