Posted on 10 November 2021

Brink co-founder, John Newbery, and Brink fellow, Gloria Zhao, discuss Bitcoin Core’s mempool policy.

  • 0:25 - What is a mempool and why have one?
  • 6:58 - Denial of service protection
  • 8:38 - What is mempool policy?
  • 10:15 - 3 types of mempool policy and examples of each
  • 12:30 - Mempool policy: transaction size too small or too large
  • 17:26 - Mempool policy: BIP125 Replace by Fee (RBF)
  • 19:57 - Transaction pinning attacks
  • 22:55 - Mempool policy: Discourage upgradable NOPs, witness versions, taproot leaf versions, etc

Keep in touch

Subscribe to The Bitcoin Development Podcast:

Subscribe to the Brink newsletter for our blog posts.