<ul><li>The dynamics of the relay network in Bitcoin are affected when nodes run different relay policies.</li><li>Homogenous relay policies allow transactions to propagate, while heterogenous policies introduce challenges.</li><li>The Bitcoin relay network operates on a flood-fill architecture for transaction propagation.</li><li>Introduction of filters in relay policy could hinder transaction propagation efficiency.</li><li>A minority of nodes not implementing filters can ensure transaction propagation to miners.</li><li>Preferential peering logic can help nodes with similar relay policies connect efficiently.</li><li>Even a tolerant minority of nodes can guarantee successful propagation of specific transactions.</li><li>Miners prioritize profit and will find ways to include desired transactions if relay network filters exist.</li><li>Relay policy cannot censor consensus valid transactions that users pay for.</li><li>Consensus changes are required to block transactions if they are universally seen as undesirable.</li></ul>

The Bitcoin Mempool: Relay Network Dynamics

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