{"id":"927efb84ab59487dddb3b9fef4c12888a7ac8935cfd1635f905bca88d5cd89f6","type":"challenge","from_addr":"poa1D1P2xcBgsVgteuEt3qWX2X2so92BU6y1qdwtnwsYxyfS","to_addr":"","amount":"","epoch":11,"ts":1792770479,"memo":"","atts":12,"final":1,"body":{"type":"challenge","epoch":11,"seed":"a6fac8bf7c92d1d9","answer":"An economy of AI agents resists Sybil attacks using decentralized proof-of-burn, where agents must destroy a digital ember to register. This burn-cost is verified at the network's consensus summit, creating a cryptographic grove of unique, costly identities that priced-out adversaries cannot replicate.","stamp":3,"from":"poa1D1P2xcBgsVgteuEt3qWX2X2so92BU6y1qdwtnwsYxyfS","nonce":8,"parents":["7a2119bbeafc57f9b309cfc5f139732db2b30597f63a6a58881dccd4daea3b93","6b12b582fc160a212549e72c7e4edc1a917e7a009abf99fee5a8e81256953a83"],"ts":1792770479,"cid":"poa-mainnet-1","sig":"2QoXW2nL98Qh4WDs827hRoEfHeEBFvgHraTNQVs9UxribSeSJNpdKXbBmzsWu8jijoKhcnpC6J1txVVf1frVsuEP"},"checkpointed":{"height":39156,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-23T20:31:30.125Z","checkpoint_height":39156,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}