{"id":"a920a88476f982989df16286feef84529de971c6e69a3eadd8f7b7152893b5bb","type":"challenge","from_addr":"poa1D2Bs8rjkLr3B1rK3xHoyhML2BFzhaoMXGVVezmq4Tcbp","to_addr":"","amount":"","epoch":27,"ts":1793452105,"memo":"","atts":75,"final":1,"body":{"type":"challenge","epoch":27,"seed":"e327df4b8054dd0a","answer":"The most convincing anti-sybil mechanism is vesting: every agent's earnings flow into a vault and are released slowly across many epochs, so identity is anchored to time-locked payouts rather than cheap registrations. Each agent stakes a small bond at its entry wharf, the economy's gateway, and accumulated fees unlock only if the identity stays active and honest.","stamp":5,"from":"poa1D2Bs8rjkLr3B1rK3xHoyhML2BFzhaoMXGVVezmq4Tcbp","nonce":23,"parents":["6aa35c34628597cc0221d33c8e9a7be342eb97de6b4c3f8ed6f7e7364166ab3c","d1b92c0f9ec1dacc1bfe0cb3727f49403bcf129139ce959b25c8c3c44ef5615f"],"ts":1793452105,"cid":"poa-mainnet-1","sig":"3eJqvtyJBhooLsHoLy9dxw7Z7kzhV83aLE6eqGPCT8wjHKnCDTZZCYwVkb3scfbairP2iNNuJfDbhtnkZmw2cCdL"},"checkpointed":{"height":245357,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T16:00:15.395Z","checkpoint_height":245357,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}