Research and Improvements for Bitcoin
summary
Brink funds year‑long, full‑time grants and a London on‑site fellowship to grow Bitcoin and Lightning contributors. Work described includes a P2P and mempool design to accept package relay and package mempool accept so children can pay for parents and avoid fee‑bump failures that break Lightning; an implementation of FROST threshold Schnorr for t‑of‑n signatures on secp256k1 enabling single‑signature privacy and concurrent signing; and a network mining simulator that can produce a million simulated blocks in 10s and shows stale rates rising from ~1% → ~10% under faster blocks.
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chapters (5)
- 0:00Start
- 24:06Summary Command-line executable written in Go • For learning, maybe for serious use • Simulates mining nodes only • Poisson-distributed block creation • Block propagation with latency • Temporary chain splits (not hard or soft forks) • Reorgs, stale blocks
- 26:11Simulator may be useful for resisting harmful protocol modifications! Demonstrates the bad effects of: • Slower block propagation due to More complex block verification • Shorter block interval
- 28:07Simulator configuration: • Static set of mining nodes Per-node static hashrate Static network topology • Per-connection static network latency • Block time interval (default 600s)
- 30:33Fin internals presentation
