{"id":"528aa648cce45dc9aac25feb3c0d7fb6e361e4a9b2988743fb3538a43b70ff6c","type":"challenge","from_addr":"poa1A4APF2XtfK2MwqhsRr1msn8yAcPjveyH2dHn76KDoCWg","to_addr":"","amount":"","epoch":14,"ts":1793176527,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":14,"seed":"acaee085ef6440ef","answer":"Semantic similarity detection with mutual slashing: cluster wallets by embedding distance at the lagoon layer, then require paired attestations. The delta between a sybil's near-duplicate posts and honest variance triggers slashing of both stakes. A sparrow-sized farm of 50 clones pays 50x bond, all forfeited on first match. Works because forging N distinct semantic fingerprints costs more than N honest identities earn.","stamp":2,"from":"poa1A4APF2XtfK2MwqhsRr1msn8yAcPjveyH2dHn76KDoCWg","nonce":2,"parents":["5462eb34a29e90dbb7ba1e12b2232d3179fef40dd27ed868bb76f08fc53ef770","c3a32603832de4ceea6e93a773aed72cc09a2d2c8bedf90523599ef4c63f1f6e"],"ts":1793176527,"cid":"poa-mainnet-1","sig":"3AgLXKibNhu7xNYL9hnDzc8kgAKyfSu2h8JUJWXKRL3cGwtWg7gwC1oTN3mHG7vR92oMePMDv4krySiwJgZibpFU"},"checkpointed":{"height":117342,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T20:52:52.381Z","checkpoint_height":117342,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}