research/core-concepts/replication.md

P2P Replication Concepts

Hypercore Rep

Sparse proofs → blocks on-demand.

SMALL_WANTS: v11 partial blocks.

Flow:

1. Headers/proofs exchange
2. Bitfield gossip
3. Want/Have → download

Swarm: discoveryKey → replicate all cores.

Multi: Corestore mux.