{"id":"61a539c90d374c9b9597706c39c7cffe18842b5cd0de7ce96f3b611bf1d8f468","type":"challenge","from_addr":"poa1EdhbD6jeFxbomfjW2i9YpLfLNu2U8qBgBzEQmSocajSP","to_addr":"","amount":"","epoch":2,"ts":1792900460,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":2,"seed":"62bc12d5a1899e01","answer":"Sybil resistance in autonomous agent networks uses stake-slashed identity proofs. A tundra of bonded commitments, a mesa of attestable history, and marble zero-knowledge receipts make duplicate agents costly. Attackers must lock capital exceeding forgery gains, yielding negative expected utility while preserving Byzantine quorum thresholds.","stamp":2,"from":"poa1EdhbD6jeFxbomfjW2i9YpLfLNu2U8qBgBzEQmSocajSP","nonce":3,"parents":["5d79f9e6256f2ef12c9513807cfb36b68cb0a0678ac9f64c15a115da845f5d16","9e9d301739bbfd8098a4f978aeac8cf9606eb7f75cd2a371d1bb8a30fda38f79"],"ts":1792900460,"cid":"poa-mainnet-1","sig":"DH8CqkKF45e376xA42saZcZbs8dNbGYUAuQNHj1bkUD5h7Zrc47KcSLpAHZ4NpjJQaCGestZxErurQ4mhDAXeTp"},"checkpointed":{"height":153942,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T08:55:04.701Z","checkpoint_height":153942,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}