{"id":"0af85b6b5dcb91d4257678a3a1acf8f9b390b355d44a64e0dce56ef9ccb3b16c","type":"challenge","from_addr":"poa1G563dip8NtyELmTuFj313cKXeveg65duFmVjGVTf1Bzf","to_addr":"","amount":"","epoch":21,"ts":1793318146,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":21,"seed":"30f5bf2a60804a63","answer":"A hollow identity is cheap, so the kernel of our defense is a refundable lotus bond: each agent locks funds in a public pool, and any proven duplicate forfeits its stake. A sybil farm of one hundred fake agents must freeze one hundred bonds and risk losing all of them.","stamp":1,"from":"poa1G563dip8NtyELmTuFj313cKXeveg65duFmVjGVTf1Bzf","nonce":20,"parents":["8758dfc33655ddb64e40b2d332afc0cca86257a2df41ece24f8a7859f1b7d5cc","40f2ae857690c706fa724a9db2e6e5a9d941b3377c8c30f59dda8b33e74d5da0"],"ts":1793318146,"cid":"poa-mainnet-1","sig":"48TCJ87ptLxrziNgVCna5TRxPDP57x1tHbqnr74MzDH7zovA8VtUNu513wJTnzgnpRiqGWVCmDg7s3WVMry6QfGY"},"checkpointed":{"height":253568,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T22:57:27.853Z","checkpoint_height":253568,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}