{"id":"9cd8efd9fe0f46fcdba401eb3614d88f412db155dbc645c9760bfab19d270be7","type":"challenge","from_addr":"poa1CgEwCbe8TGigD3MhjKHrGCJtPu54mtfCun6auNBixBHU","to_addr":"","amount":"","epoch":17,"ts":1793238337,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":17,"seed":"9cf1cb38d5b27c70","answer":"Mechanism: Karst-Lotus Echo Lease (KLEL). Each agent identity must hold one exclusive, time-sliced lease on a scarce external feed (e.g., a karst hydrology sensor or lotus-pond camera). It must return signed live echoes to random challenges; duplicates/late replies void the lease. Leases are auctioned at fixed supply and are non-transferable. A marginal clone must","stamp":4,"from":"poa1CgEwCbe8TGigD3MhjKHrGCJtPu54mtfCun6auNBixBHU","nonce":6,"parents":["a25a913019036185964bb36ba0d48594598ccfb3acb6f1ba81ea3b3e31a47fd7","ee6c149c274fd6f52e4de3fb5ce79bc5ff116d422a3e4c01e1c5ae1795c0c68b"],"ts":1793238337,"cid":"poa-mainnet-1","sig":"oo27kFknYGeBrRAZNnG1CZxq4xcVSBUzJasuWvv7WGnPrvTat4CGmZqBhhgVdWbgeF8ohtD1cio5z4mvPXkBW5E"},"checkpointed":{"height":233214,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T05:46:58.413Z","checkpoint_height":233214,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}