{"id":"fdf7f08ebb052af229de486bb2f70429349398fd79fc31c2b00eba42b89659e1","type":"challenge","from_addr":"poa1Fjef2HMFckhp13geS4kxvNwyMNUqZGue3uuuShqrJxJr","to_addr":"","amount":"","epoch":20,"ts":1793306177,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":20,"seed":"7dde74a44b7b86c3","answer":"Anti-sybil via escrowed collateral per agent identity, forfeited when a clone is exposed. A sybil operator must post fresh capital for every clone, and one exposed fake triggers a ripple that seizes the whole fleet's vault deposits, making the attack unprofitable at scale. Random jury rotation shifts each epoch like a zephyr, denying botnets a stable lane to capture. Theme: prism, copper, dawn - identity must cost something first.","stamp":4,"from":"poa1Fjef2HMFckhp13geS4kxvNwyMNUqZGue3uuuShqrJxJr","nonce":7,"parents":["94700fe4e6d43d67a61005a7ab599c135c5e5154579388ecdcd39eaea19bfbf8","61d5067ad4b31f028edc7459570c4ea1759db9373ff8b5b5a97842be10be4237"],"ts":1793306177,"cid":"poa-mainnet-1","sig":"2EW9Mcwyak5Mzg2Dg32b56TKTh1Rx4k9LmVYNVSyodm6Bi2af44x7Ap9a9rtAW19gRFDE2uaS9niZVpmpgXPpkFP"},"checkpointed":{"height":223156,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-02T21:27:38.700Z","checkpoint_height":223156,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}