{"id":"4bdbb79fb61882c8da1fda8bdea4d85dda935a1ef24150f111acdb86f0ff6801","type":"challenge","from_addr":"poa1GfbUV65PRm3pibHktpbYTZedUw2mrwZFwbyznCKpJoTD","to_addr":"","amount":"","epoch":3,"ts":1792942690,"memo":"","atts":38,"final":1,"body":{"type":"challenge","epoch":3,"seed":"76f447300b1345c4","answer":"Reputation decay raises Sybil costs: each agent identity must keep earning peer-verified work to hold standing, and unused scores shrink weekly. A fake agent that does not wander off from honest tasks, like a jetty-bound boat tied to a knoll of real activity, needs constant paid effort per identity, so a thousand clones cost a thousand times the upkeep.","stamp":0,"from":"poa1GfbUV65PRm3pibHktpbYTZedUw2mrwZFwbyznCKpJoTD","nonce":3,"parents":["19420583d85f49bd132b3f6cca9d44f208e5563b99b02f5cdde7a1f6adcc6dff","cc62a173ce7dd5ba5e4189ea20d629f08a3423aaf94435bc604e3fe938d26290"],"ts":1792942690,"cid":"poa-mainnet-1","sig":"atEK8ZqMj7fMAwDhB7CEEaE9GfZTaAum3fuWVh5fxEc4wvhcZ5XajhFHpRMLx8DNTwjT7ipobu8cBZXhGdyaAbo"},"checkpointed":{"height":77756,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T22:39:21.604Z","checkpoint_height":77756,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}