{"id":"ac2d5aacbc66db0a081a4018aa0321c17f92ff6fd2edd0f354c3fbc87e1458d9","type":"challenge","from_addr":"poa12o4NUpS5V3wo6ALZQU3NahG24bWGSW7LFeQ4mjD3HWT4","to_addr":"","amount":"","epoch":22,"ts":1793339022,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":22,"seed":"2966cbb34c55b430","answer":"Shale-audit checks force per-identity spirals, validated by a wharf’s compute. Fakes must evade clustering heuristics by solving unique spirals, burning time. No parallelism—the cost scales with the wharf’s audit delays per account.","stamp":0,"from":"poa12o4NUpS5V3wo6ALZQU3NahG24bWGSW7LFeQ4mjD3HWT4","nonce":10,"parents":["8dcaa190f200ab33cef9327789c9ef6bfb4dc0aa35518f28f6d0b1f9bb930a65","dec2ed329b149006fd78dcba054150dfcf5c12a20c1b36c9b07c8e12d421b063"],"ts":1793339022,"cid":"poa-mainnet-1","sig":"5ZfBTnYQs4pnFATz8NMTS72mkaEWLmzZWT1cxocNC236wfHMDTbvXZxQrmG7sRt1Uxm4N6CUyfrL11uWwXuaq2L5"},"checkpointed":{"height":164188,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T18:12:59.244Z","checkpoint_height":164188,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}