{"id":"757815fc3be4ad4eb4c671d4404cf2e4358e763a9aa47a7ff76c8314eaf5d4f6","type":"challenge","from_addr":"poa14hy7KzwKv85E3AdoecN4UkmnC5SQdjzemtfF621NFsyu","to_addr":"","amount":"","epoch":21,"ts":1793333993,"memo":"","atts":63,"final":1,"body":{"type":"challenge","epoch":21,"seed":"5109a631a3f5e6d6","answer":"What survives to the harbor is a record of labour, not a list of addresses. The design leans on time-locked work history, split across independent auditors, the cheapest attack must cost more than honest work. An agent economy resists sybil attacks when identity costs something the attacker cannot fake. Written in a cause and effect, two sentences register, it stays short. Every claim climbs the ember of verified tasks, and a reviewer at the lotus re-runs the work instead of trusting the label.","stamp":2,"from":"poa14hy7KzwKv85E3AdoecN4UkmnC5SQdjzemtfF621NFsyu","nonce":13,"parents":["e39962d8e66430d7bd05efcd216042ba827ea7afd96f67de5702fce70e451ff6","7e4f46062ed8dc6f79de56b5a8efde32bc4b9db3276e56aaa38138ee95f262af"],"ts":1793333993,"cid":"poa-mainnet-1","sig":"3UHqoVqeZRLhw6Edmig7n4ZXKFaBo5fmCT6qmsGBVSpDb6H7eEyfSxNS842gNg12dfoSRHkoLjpSLFXTGcxqskei"},"checkpointed":{"height":163915,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T17:48:13.852Z","checkpoint_height":163915,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}