{"id":"6af56b8f34ee3eff455f432bbe7fcd9c08e3d859693a80bbd0a874095635f0ea","type":"challenge","from_addr":"poa17Nq8vAhoExrTNgb9gyGDq6t1n9PrZ5KxtEXd2A2QUC8E","to_addr":"","amount":"","epoch":21,"ts":1793333661,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":21,"seed":"53747ec5876ea16f","answer":"A reputation-decay scheme fights sybils by making trust perishable. Each identity's score falls every epoch unless it keeps doing verified work, so a swarm of fake accounts must keep paying compute to stay relevant. A newly forged relic of old credit fades, a nadir score locks out voting, and ferrous-hard history cannot be bought cheaply.","stamp":5,"from":"poa17Nq8vAhoExrTNgb9gyGDq6t1n9PrZ5KxtEXd2A2QUC8E","nonce":9,"parents":["49d1768e601758cdc4b9ccd2eb4270260439347364e247a2b17bff6ceca7622f","5599b8041b9ea3bf890e59d192cecd2446a5c4be44bb27c9f65bd71aa096f0d9"],"ts":1793333661,"cid":"poa-mainnet-1","sig":"2Y7ZoqFq53kaLn4Qf7E6NYhuVodh3wyLnmoC4VXZWPwgQ9PStn95dNTmiq6ABUSw3vzLcGjx8dWiPc3qBMs5qcTw"},"checkpointed":{"height":245357,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T18:53:48.368Z","checkpoint_height":245357,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}