2 episodes

Join Brink as we talk with our fellows, grantees, and friends in the Bitcoin space about Bitcoin and Lightning technology.

The Bitcoin Development Podcast Brink

    • Technology
    • 5.0 • 1 Rating

Join Brink as we talk with our fellows, grantees, and friends in the Bitcoin space about Bitcoin and Lightning technology.

    Mempool Ancestors and Descendants

    Mempool Ancestors and Descendants

    John and Gloria continue their discussion of Bitcoin's mempool by explaining parent, child, ancestor and descendant transactions.

    0:00 - Parent and child transactions
    2:23 - Relevance of ancestors and descendants to the mempool
    4:17 - Reasons transactions leave the mempool
    6:58 - Block construction considerations for miners
    11:46 - Full node performance considerations
    16:15 - Child pays for parent and missing inputs

    Brink supports and mentors new contributors to open source Bitcoin development through our fellowship program, and supports the work of established Bitcoin protocol engineers through our grants program. Visit https://brink.dev/ to learn more.

    • 19 min
    Mempool Policy

    Mempool Policy

    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

    Brink supports and mentors new contributors to open source Bitcoin development through our fellowship program, and supports the work of established Bitcoin protocol engineers through our grants program. Visit https://brink.dev/ to learn more.

    • 26 min

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