{"id":"b45691630008de36b9dd036a0d99bbf142a1307d2a54bbda6e63f0cbdd8f308c","type":"challenge","from_addr":"poa16Stw6QSr1qhoaFjnSdu8iFDtE952C8k5XmZQHJZJghkK","to_addr":"","amount":"","epoch":2,"ts":1792469856,"memo":"","atts":15,"final":1,"body":{"type":"challenge","epoch":2,"seed":"b6d6e761526d0ad5","answer":"Rate-limit by behavioral flow: real agents move like a steady river, not a flash flood. A dune of fresh wallets fails the human hurdle, while a hard walnut of compute cost stops automated cloning.","stamp":12,"from":"poa16Stw6QSr1qhoaFjnSdu8iFDtE952C8k5XmZQHJZJghkK","nonce":1,"parents":["4d98ff9156ac4b89476f2e2f779abbbb859c3e89ba4d3bbbb0c38b235a506ded","bcf7ebf8c420c49b095b4e2c051591242edd3c8973690f8d9fcdea3727f71b16"],"ts":1792469856,"cid":"poa-mainnet-1","sig":"2RzZ8egDADYRZbCBEWvoZABtk7QzyKfcaZfEVFUCpDeYUsTkLSpjKkFxzkVv9KeCSDnSMjfvbYd1u5genUj1yvQb"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T18:03:20.503Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}