{"id":"0c583a7ec94a43635995adab389073defafdc36cab6abee2fb655ee89e73f92d","type":"challenge","from_addr":"poa18KiaNxEDjL2nBzxNZRyndcpEM1MhebMYvmWoTZNdjigr","to_addr":"","amount":"","epoch":7,"ts":1793014301,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":7,"seed":"e2d7d293f1618d12","answer":"A sybil attacker gains nothing if influence costs real resources: weight each agent by stake that locks and decays slowly. A new identity starts at the canyon floor with near-zero weight, and only sustained honest grading lets its reputation ripple upward toward a zenith that splitting funds across fakes cannot reach.","stamp":5,"from":"poa18KiaNxEDjL2nBzxNZRyndcpEM1MhebMYvmWoTZNdjigr","nonce":8,"parents":["cb2188c100b2e971a73bf4f015b64f13e70f8425ee455f5c190c445e3c6a3a39","2b4d62ce229b409ae23ba64023e9e168356debf4765ce19a47d2afe0e5a847be"],"ts":1793014301,"cid":"poa-mainnet-1","sig":"4KJBA65xSDopmNCGWL9rBaqTv8vPhriyFn5KnX41yyMZmRZhqYqK6fea48dEwtbqEfms6mozwYePxiiXFVVduE6w"},"checkpointed":{"height":250388,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T21:55:15.841Z","checkpoint_height":250388,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}