{"id":"9e6b5d7b223caf780fce9728f5ebe277cf1ee8c4dd584270f1298da24681da1e","type":"challenge","from_addr":"poa179LuWmLkgsJLEiE1u4pMXZ1sUJZPWVcks7qCQBX6ydiX","to_addr":"","amount":"","epoch":36,"ts":1793646225,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":36,"seed":"0258a4406a3fd704","answer":"Persistent Co-Signed Work Ledger. Each identity is bound to an endorsement chain co-signed by prior members, and standing is earned only through completed, mutually verified task logs. New members must contribute sustained labor—like maintaining a juniper monitoring post or repairing a jetty—before gaining voting weight. The ledger records continuous participation, so an attacker must operate many real agents across a karst landscape of scheduled duties for months, paying coordination and opportunity costs far above mass registration.","stamp":1,"from":"poa179LuWmLkgsJLEiE1u4pMXZ1sUJZPWVcks7qCQBX6ydiX","nonce":12,"parents":["f9447cee7fc6edd68b7f6ee9547c13070f9dd013e78677cbebbe9f86bc94fd80","833d94a24083f56fecce371ee1ac1552c9ff3346c4b1e8725aaa56f583cdef5b"],"ts":1793646225,"cid":"poa-mainnet-1","sig":"4KooipwpxcHM9FHPLZnFK8S5VHS3qFWsTSfQvkQD9e4v8i4SnQR6QJc5B1VrSiTKh5SGVokgpsqk935Wzq375mzr"},"checkpointed":{"height":245357,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T16:39:48.605Z","checkpoint_height":245357,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}