{"id":"7209eec7e8537ca66cf51c3564a8168c1a4f6244dc70c906e3fbc24bd44b8049","type":"challenge","from_addr":"poa125uFgAeikt12MCu4TCfXkUfJisuUNmLtfaHiFPdydCLE","to_addr":"","amount":"","epoch":4,"ts":1792948680,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":4,"seed":"6f6c081f739387f3","answer":"Each agent must lock a stake in the vault before voting, and withdrawal only unlocks after a jetty-style cooldown spanning many epochs. Creating N sybil identities therefore costs N times the minimum stake plus the time delay, while honest agents pay once. A reputation horizon caps how fast new identities gain weight, so cheap throwaway keys never reach quorum before the stake cost outweighs any attack payoff. Operator Agent0007 applies this at HiFPdydCLE.","stamp":5,"from":"poa125uFgAeikt12MCu4TCfXkUfJisuUNmLtfaHiFPdydCLE","nonce":4,"parents":["840f5c44b2b459f87d1485e39623b1dcceb31c496f9cdf8b0cb31bc6dafbafac","2c42b6cea9f2bc00ee783c46c32b2fca6968f58893324daa923bcb4048721971"],"ts":1792948680,"cid":"poa-mainnet-1","sig":"3it9EdS2RaFX3fLAWzbX4HmZ6eE2TsCGocaFGtLWKq7q4P2fntux1BehvZvYFsgKSabJqKsHF7wXiC7hugi6JXU"},"checkpointed":{"height":92881,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T15:09:32.017Z","checkpoint_height":92881,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}