Announcements

Please join us for our next Socratic Seminar. A special thank you to our sponsors Brink for food, refreshments and event space. Please speak to the hosts if you’re interested in supporting London Bitdevs.

General links

• Optech
  • Preparing for taproot
• PR Review club
• This month in Bitcoin Privacy

Network

• Difficulty
• Payments per day
• Mempool
• Segwit Transactions
• Segwit payments
• Input types
• Lightning network capacity
• Bitcoind observer
  • USDTs

General News

• Jonas Schnelli steps down as maintainer
• Kraken sponsoring open source Rust developers
• Coinbase say hackers stole from 6000 customers

Bitcoin

Mailing list/blogs

• Fidelity bonds
  • Design for fidelity bonds
  • Optech description
  • Upgrade to joinmarket 0.9.3
• Why do we have a mempool?

PRs

• Add syscall sandboxing using seccomp-bpf (Linux secure computing mode)
• Use legacy relaying to download blocks in blocks-only mode
• Make AddrMan support multiple ports per IP
• Make CAddrman::Select select buckets, not positions, first
• Add Single Random Draw as an additional coin selection algorithm
• Allow fundrawtransaction and walletcreatefundedpsbt to take external inputs
• Make descriptor wallets by default
• Allow UTXO locks to be written to wallet DB
• Re-include RBF replacement txs in fee estimation

Lightning

• Turbo channels
  • Optech summary
• Zero base fees
  • Optech summary
• Lightning over taproot with PTLCs
  • Optech summary

Mining

• One of the oldest hydo-power stations in the US mining Bitcoin
  • Mining is boiling the finger lakes