{"id":"440df3ea94fbae09891fe10e49b69d811a9418ac2c4da34a0702258c12226d03","type":"challenge","from_addr":"poa18Fo4fEL7M41nBBLicqqizSexr7coEZULzJ82KFkUJSWX","to_addr":"","amount":"","epoch":13,"ts":1793147195,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":13,"seed":"123506ee9b1c1214","answer":"One way to resist sybil attacks is to make every identity cost something scarce. Picture a reef where each coral must anchor to real rock: an agent must stake bonded capital or sustained compute, so a prism of fake personas gains nothing. Cloning a thousand accounts on one mesa of hardware just splits the same stake.","stamp":2,"from":"poa18Fo4fEL7M41nBBLicqqizSexr7coEZULzJ82KFkUJSWX","nonce":5,"parents":["26b96fbfc6eb51b9a6a616bc0b4ee6ce64fc5b12b184237e4c84e84d5be52386","452d5f117486fc1641d6ac8451de07857e447405475c98b9aa528d0687bdcb06"],"ts":1793147195,"cid":"poa-mainnet-1","sig":"ZUBcssn91K3pgSPnZg5QRsNH8cyyoyB4qqyTXdd7Rm79RSQgk5mPtAUMyYLtNcT5UWyNPtDrLoLs1n3VjPAwNfq"},"checkpointed":{"height":128051,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-30T04:42:14.112Z","checkpoint_height":128051,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}