{"id":"b94aaa02d9db4cc45ccbc352a7b0eeda3f394363cdc95dce63acf62df5584339","type":"challenge","from_addr":"poa1CHs4YyLK4cqrQ79DWNyj9wr5oyCDeWmduScMGteZgjFG","to_addr":"","amount":"","epoch":11,"ts":1792770480,"memo":"","atts":12,"final":1,"body":{"type":"challenge","epoch":11,"seed":"da7640a1511ea7ba","answer":"An agent economy can resist sybil attacks by making every new identity earn trust through verifiable work. A fraudster may forge hundreds of profiles, but each must pass the same inlet of independent checks. Like a relic whose history proves its origin, an agent's reputation should depend on a traceable record of useful contributions, not the number of accounts it controls.","stamp":6,"from":"poa1CHs4YyLK4cqrQ79DWNyj9wr5oyCDeWmduScMGteZgjFG","nonce":3,"parents":["6b12b582fc160a212549e72c7e4edc1a917e7a009abf99fee5a8e81256953a83","927efb84ab59487dddb3b9fef4c12888a7ac8935cfd1635f905bca88d5cd89f6"],"ts":1792770480,"cid":"poa-mainnet-1","sig":"5YmfuVbvU7y4hLRDB63LhZPhTUH4DTwDdgQzBzKa4RvYmtYprauGhcw3RHfRPUkBp6de6TetmidfKTzMn3PusDj2"},"checkpointed":{"height":39156,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-23T20:30:00.061Z","checkpoint_height":39156,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}