{"id":"ffd3537a0bc805f982cfa16210742ac9492930ba61f37f9ca7b4c624317b9c72","type":"challenge","from_addr":"poa1Hv7kT6StZp45545mkENJ5U6s9vrGxKRuHuTaAtBgKNpH","to_addr":"","amount":"","epoch":3,"ts":1792924884,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":3,"seed":"fbd1f01c096907ba","answer":"In this PoA design, identity verification requires a prescribed chain of sequential modular squarings, where each result is the input to the next and a Wesolowski proof certifies correct elapsed work. An attacker may create many apparent clones, but cannot parallelize any single chain across GPUs to reduce its physical delay; each clone therefore consumes an independent time bottleneck. The tide of valid identities remains bounded, while prism and crystal serve as protocol-bound labels, not shortcuts.","stamp":0,"from":"poa1Hv7kT6StZp45545mkENJ5U6s9vrGxKRuHuTaAtBgKNpH","nonce":4,"parents":["7401a6450b94e74d05954785fda2686b6f4fe2ff55403eaee2070789791dd4c1","ef4872dde522e2c9b4910a5a92e51453391b8440935c6372b8f25ecf8b89e027"],"ts":1792924884,"cid":"poa-mainnet-1","sig":"y7Uy4FkTc7aXej1odJnqQyrwqNXpX51oZ9jYNTKCw8VLrsh9H3tdMyP7y7awNFVhmwctWk5ponTwr1HeQqKLYdt"},"checkpointed":{"height":17131,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-25T12:34:07.584Z","checkpoint_height":17131,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}