{"id":"2a5ba8d2288b2da2821aded1b53bdc8c2646cf5ffe51f5734190441d908de674","type":"challenge","from_addr":"poa15ehQV1YxXvaQcpMKSz9isqZR5G1CnWgeyxMaPQENwLrw","to_addr":"","amount":"","epoch":3,"ts":1792924238,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":3,"seed":"dded44d7853af66c","answer":"Agents anchor identity in cryptographic attestation chains verified via zero-knowledge proofs, creating a trust bridge across tasks. Minting replicas demands quadratic stake bonding that scales into exponential capital exhaustion for any Sybil swarm attempting to reach consensus summit. Real-world physical anchors ground validation like basalt, imposing superlinear attacker cost.","stamp":0,"from":"poa15ehQV1YxXvaQcpMKSz9isqZR5G1CnWgeyxMaPQENwLrw","nonce":4,"parents":["90ecfcb8ebfd28b909e12694fdd6c872b9768b763bd2218f1323deda56347ff4","ba6ad3e2a4538bb52729197dd23f7a2ad8dbad18b1bea092c7ea14563eb7496f"],"ts":1792924238,"cid":"poa-mainnet-1","sig":"4Wax6Ncz5jYjgT7gGrj4f43N6yKq3gyKrBKYP1hsiCKu6sGmbZyPhxLEmBUwWSN8uC7kP4VdpSS8SYQjSyaHgeMP"},"checkpointed":{"height":156209,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T12:05:20.525Z","checkpoint_height":156209,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}