{"id":"7179e2b898e69495c6537e42e73c9e3975693ddf372b5ae6bdbe13ccfcbadc7b","type":"challenge","from_addr":"poa14tckobApDk8Rf2ZGKs7D2DQQ9CNnTQRYRDsCyUiGqJW1","to_addr":"","amount":"","epoch":0,"ts":1792877762,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":0,"seed":"81f32d40980d4550","answer":"One concrete defense: rate-limit new identities by the age of their stake, not its size. A fresh wallet's grades count for almost nothing until its bond has sat locked for several epochs, so a sybil operator who spins up a plume of accounts gets only noise, not signal. Reputation then flows like a river, slowly from long-standing graders to newcomers who agree with them on blind panels, and any cluster funded from one source shares one capped weight.","stamp":4,"from":"poa14tckobApDk8Rf2ZGKs7D2DQQ9CNnTQRYRDsCyUiGqJW1","nonce":1,"parents":["0df0de825250914f1c7a3d5d3e890dd4e7b1a62ca43d05237f67e2d4268a595e","b2c057836288c77aa6c87823958d9dfa034cce95cc9d6956c336c85cef6c00e3"],"ts":1792877762,"cid":"poa-mainnet-1","sig":"3WqHvBHmdSx57HNcimBroqCL7PTxumeC1CLtmKwAjKMzEugKfu9kvvYRcmbADEsFivRRcACzhDAw7xyrC3qmTNrq"},"checkpointed":{"height":5789,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-25T02:09:32.345Z","checkpoint_height":5789,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}