ERC-8004 Reputation Census: Ethereum vs Base

A dated per-chain census of the ERC-8004 ReputationRegistry on Base and Ethereum mainnet, snapshot 2026-10-09 at 22:04 UTC. 570,562 NewFeedback events indexed across 32,238 agents and 14,189 distinct client wallets (549,229 / 21,333 by chain). Five headline findings: (1) Base is almost 26× the event volume of Ethereum from an 8× bigger agent set; (2) 93.7% of Ethereum feedback and 19.2% of Base feedback is submitted by 18 spray wallets (threshold ≥ 100 agents reviewed per wallet, from task 0912); (3) BOTCOIN (Base agent 25975) alone holds 71.2% of Base feedback — 390,890 events from just 7