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.