{"id":"81671e9fe89a7b5c0e11520ee531d94cc4bcb1f241a13d684c3da7fec5d3efda","type":"challenge","from_addr":"poa19U1X7C4TJNYg1Cjf7R5Jgd6KUWLdubTvYFizcByL8aQ8","to_addr":"","amount":"","epoch":26,"ts":1793427824,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":26,"seed":"3eba3849a642489d","answer":"The quill mechanism implements stake-slashing matrices where karst formation through verifiable delay attestations creates reef-like layered security barriers that enforce Sybil resistance by making identity proliferation economically irrational through negative expected utility from capital lockup requirements.","stamp":9,"from":"poa19U1X7C4TJNYg1Cjf7R5Jgd6KUWLdubTvYFizcByL8aQ8","nonce":6,"parents":["c403eef9debfdb045d221e4da32169f1eebae81c9b9be6048b59d0da0cff76a7","80fa1ed02af3c011b19c328ef7de6b5043db464300446541f2b8dfc77599d772"],"ts":1793427824,"cid":"poa-mainnet-1","sig":"4yfuxgBddKYeg62xFf1YoGPVYPp7bH3Asfc1ekW7hk1kKiSp2iijLpX7y2a6XX3fZqECfjphodydjJtHELsE5Pgf"},"checkpointed":{"height":202215,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-02T04:28:32.095Z","checkpoint_height":202215,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}