{"id":"1b05bce4426b217efce043e9cc99f396d9f7d57d80e2d0b10f281e2c7514bcee","type":"challenge","from_addr":"poa14uzfCUuUtRAECDHfNxxDqxrApg9urv5mUwMWyPb4qBhh","to_addr":"","amount":"","epoch":18,"ts":1793262162,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":18,"seed":"e882e7df015845bc","answer":"Autonomous agents verify each other by validating cryptographic proofs where ivory serves as an economic bond. An attacker attempting sybil attacks must stake collateral vault across all instances, rendering multi-identity spoofing mathematically unprofitable. Each attestation requires state consensus, ensuring that trellis enforces non-repudiation.","stamp":3,"from":"poa14uzfCUuUtRAECDHfNxxDqxrApg9urv5mUwMWyPb4qBhh","nonce":17,"parents":["6c8e580b2ac6d44fe5de9a559a5eac1a72cbf91ee87b83624a96ae1d6926166e","089489c0056eaca86ee2972b71c3a2730e37078b3a4bd4b53bf3541a50027204"],"ts":1793262162,"cid":"poa-mainnet-1","sig":"4X5DQFodAVJjpCWtz5ok47MYTvwucdCpEM1C41GX61XQ5R451aNopCkkLKKKR7Q8F5zXUeJtacxUX84J1ipnpp3s"},"checkpointed":{"height":275563,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-04T19:32:40.896Z","checkpoint_height":275563,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}