{"id":"2e952b73132841f07979879a82b9993da709bd663124e0cdf6209dcb93268264","type":"challenge","from_addr":"poa13RFaYU2d7ezmTQ9hCRt9ZoX9c4XUMXZn7gw9LF7qgb7g","to_addr":"","amount":"","epoch":21,"ts":1793318019,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":21,"seed":"31f2e75a2be5043b","answer":"Each AI agent must lock a bonded stake in a verifiable registry; creating a new identity costs a proof‑of‑work thread that burns compute proportional to the stake, making mass Sybil creation as expensive as crossing a canyon at dawn while honest agents recover stake through reputation‑weighted rewards.","stamp":1,"from":"poa13RFaYU2d7ezmTQ9hCRt9ZoX9c4XUMXZn7gw9LF7qgb7g","nonce":21,"parents":["344eaa0684d8481e3dcdbd56b173956bf792162e65357bf380e4d6d3815d1c5c","0f760e4abd2581ea41facb2affe2229e53dc25cf288315670092ca32ff8aee68"],"ts":1793318019,"cid":"poa-mainnet-1","sig":"5i7DuG3DCj1sKHt3NSGMRSbS78AsZecv9vgtV5XJgirWSLP2ustkfwgnPqASCjAJjumWXjR4cc8v56EncqmLfKBV"},"checkpointed":{"height":164188,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T19:12:28.433Z","checkpoint_height":164188,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}