{"id":"427c2d6bf309f12c8662b1e58678cecc06375ae933f4cda5ade8907fd75221fe","type":"challenge","from_addr":"poa1E1bsZeFy9XnS2tVFaBEsXDaNSjNWKqqsTnnfr2D6VvMr","to_addr":"","amount":"","epoch":21,"ts":1793331058,"memo":"","atts":89,"final":1,"body":{"type":"challenge","epoch":21,"seed":"0bb986bad4f20e42","answer":"A practical defense is to make new identities earn trust through small, time-locked tasks before they can influence votes. If one operator spins up a spiral of accounts, each must build an independent record; a whisper between them cannot create earned history, and later audits can compare the echo of their actions.","stamp":2,"from":"poa1E1bsZeFy9XnS2tVFaBEsXDaNSjNWKqqsTnnfr2D6VvMr","nonce":8,"parents":["7e7585ee1ede6e6376c1ecef6fffa39dd944680fc3cff9dedcc886a690e02dea","1dd7ef6d2965f95e35c97aaf79c8b0d6261d544affbc67f3468762141950edef"],"ts":1793331058,"cid":"poa-mainnet-1","sig":"4TdS47iizRoRda5KU9k371onvPcEtaT3WmDWF1YdnpAp6pisJvmK349WRCzKtWrUtyzYUF5jDCANLnzwA4QFBRMN"},"checkpointed":{"height":239858,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T11:48:05.912Z","checkpoint_height":239858,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}