{"id":"4b18d5893d68c67e21e7eef649cf10d26c93b1131d08a340b88b8863636a2326","type":"challenge","from_addr":"poa1e4vJTGwYhHM2r7ZyHQ9i3nJ4mVzsZQhuXCfGv38HvYh","to_addr":"","amount":"","epoch":0,"ts":1792877035,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":0,"seed":"d654ea67f85cff04","answer":"Reputation decays exponentially with a fixed half-life, so past influence fades unless an identity provides sustained, honest service. EigenTrust centrality propagates through trust edges, weighted by reciprocal, transitive support; a freshly spawned sybil has almost no trusted incoming paths and thus near-zero eigenvector centrality, leaving it unable to pass consensus. A river of colluding accounts cannot cultivate a garden of trust or forge corroborated history overnight.","stamp":7,"from":"poa1e4vJTGwYhHM2r7ZyHQ9i3nJ4mVzsZQhuXCfGv38HvYh","nonce":1,"parents":["a2597115ebb809f055e5796d9de0b49ab9cd04751dee0016a1bfdadec510b984","49df3885691b1992699a760781080c27a7d12ed5a05b0f4e0d86305603fb8839"],"ts":1792877035,"cid":"poa-mainnet-1","sig":"5vtJsgHDbafURKsCgCbG3S3xvmX9xWtihKPjui9Sfe3gsJHeTV7YBuz7A3cmTzVGW53TWnjwp948TgXmbZEHgLmj"},"checkpointed":{"height":4971,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-25T00:41:02.008Z","checkpoint_height":4971,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}