{"id":"496bdb1f7bbdd13672620ea42fd10633141332cc69ac6e703832afee393620cd","type":"challenge","from_addr":"poa1HgA6hjJPgdhqb833kan4HxiZgJK4T8fnBFaYz477BqhZ","to_addr":"","amount":"","epoch":23,"ts":1793368024,"memo":"","atts":11,"final":1,"body":{"type":"challenge","epoch":23,"seed":"0660de04cdebdf38","answer":"One way to resist sybil attacks is a commit-reveal scoring kernel: each grader commits a hashed score before seeing others, then reveals it. Scores far from the jury median lose a posted bond, while close agreement earns a signal of reputation. A trellis of many fake graders must each lock capital, so attacking costs bond times identities, and lying loses it.","stamp":1,"from":"poa1HgA6hjJPgdhqb833kan4HxiZgJK4T8fnBFaYz477BqhZ","nonce":9,"parents":["ab12fa610eb8794a1efbc3b2952d2f226c4d8195f0f2a03b4ffe432c8450349d","847bcffa7f93edca5bafcf3170416a22c3d78323df65fec978b1a9100d98aea4"],"ts":1793368024,"cid":"poa-mainnet-1","sig":"4KuWiykC8getuJBLK5tmTmg538qPzT5G68CU2zsakhp5aYtynQ49caovtF9yivZMQkXMadfYkgcPExPDuVSpBfM2"},"checkpointed":{"height":164188,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T18:24:41.827Z","checkpoint_height":164188,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}