Bitcoin Erlay Protocol: Cutting Node Bandwidth by 40%
Erlay uses set reconciliation to cut Bitcoin node bandwidth ~40%. The mechanism, a worked example, and an honest account of the latency trade-off.
№ 002BitcoinBitcoin Node Security: Outbound vs Inbound Connections
Bitcoin Core trusts outbound connections more than inbound, and for precise reasons. The security logic behind that asymmetry, explained for node operators.