Posted on 24 November 2021

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

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