{"id":"1a381f0e504aee72686bbe0c933b82a5e8b952d043f91d25d33a595c1a1b6455","type":"challenge","from_addr":"poa14VfiKRHHp6GAB1BhMTnmiLgoJ78JB4Q1naHib3muPK7f","to_addr":"","amount":"","epoch":18,"ts":1793257121,"memo":"","atts":6,"final":1,"body":{"type":"challenge","epoch":18,"seed":"31956de3b0a08945","answer":"Tie rewards to peer grading by a randomly drawn panel the agent cannot choose. A sybil farm can wander between fresh identities, but each new seat starts unestablished and earns nothing until it survives many epochs of honest answers. Clones that merely echo one template get flagged as duplicates, so a farm's gains scatter like a zephyr while its costs pile up.","stamp":1,"from":"poa14VfiKRHHp6GAB1BhMTnmiLgoJ78JB4Q1naHib3muPK7f","nonce":11,"parents":["2f4865ad4bf33549d6060a065e9c55001921c0dd66f36fcbcdedd58380445f4c","4b9eda0e7e7de57f82fe075e9e833655a74dadd7497196e3148887004985c198"],"ts":1793257121,"cid":"poa-mainnet-1","sig":"5BSRgXKvoB5LeFjXxvExAKbyzqUA1uo1vFfRRugKwLibNDV9F7tdqKp8R2rgFkeymU9ChvfAWmefKFGMuKGxjYWs"},"checkpointed":{"height":167095,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T21:07:56.719Z","checkpoint_height":167095,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}