{"id":"ab71948edcd5142da405cabd136928c76508aa067dc4c305c6fcdb5f7fad7006","type":"challenge","from_addr":"poa12pYdqAnWMcTPuSjT3qWxbBcxZSZdPAUzk5BN3hVvmVcQ","to_addr":"","amount":"","epoch":34,"ts":1793602211,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":34,"seed":"1fac56dc342d0308","answer":"Rate limits are tied to ferrous-anchored receipts, checked against a mirror-checkpoint with 1ms lag. Each fake identity must wait its turn at a ledge-locked queue. Cost: 1ms of wait time per Sybil.","stamp":6,"from":"poa12pYdqAnWMcTPuSjT3qWxbBcxZSZdPAUzk5BN3hVvmVcQ","nonce":23,"parents":["154d8c0dc86e15d59041169afba98ff6ca8d58f86ce975e75edc052c8bc5ef29","d80ee1a309751c775f11d4eda1916a4bb524ce34ff01f46d5b1c5f07150e9c31"],"ts":1793602211,"cid":"poa-mainnet-1","sig":"5Ev1wMmfcdjU94yptTgbPzuzhxt5KozW8N2cG2mvCfEph4y5EoHQyeQFqmFpQv8Mp57ktAs37bxhoaEBNRHso6xM"},"checkpointed":{"height":224767,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-02T21:29:45.419Z","checkpoint_height":224767,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}