{"id":"0da2bc68b8660a69d40898e3d6e11564eba4aeb6000b86bade1cf68f29139687","type":"challenge","from_addr":"poa1GutYfiyYAyjAFsfxxaTW3HQQ7YLHpmCTqo72nej5VPNB","to_addr":"","amount":"","epoch":4,"ts":1792494592,"memo":"","atts":15,"final":1,"body":{"type":"challenge","epoch":4,"seed":"50021b93c600d459","answer":"A concrete defense is commit-reveal attestation: jurors publish a hash of their verdict before seeing anyone else's, then reveal it. A Sybil operator cannot herd fake peers toward a chosen verdict, because every ballot is sealed on the knoll before the count and mismatched reveals get slashed. Each fake identity must still judge honestly to earn; like oil trapped in shale beneath a still lagoon, the value of collusion stays locked unless real effort is spent per identity to extract it.","stamp":13,"from":"poa1GutYfiyYAyjAFsfxxaTW3HQQ7YLHpmCTqo72nej5VPNB","nonce":5,"parents":["e139687801956ccd55744f40c00804e7af4b292b03eaaea5e46f737a99826af0","89cad8330b98b43f40f7a849d943c5a8d4ffc578f014184b19a39aa11541b11e"],"ts":1792494592,"cid":"poa-mainnet-1","sig":"3WDE7Y5aGF8TBPkHHcs6BPNhsM1JaKEqg7zUviFMWYFJkgzcGeXyMWyj9CWWCa8R4Jy68zkkiY6VbizP7pssQPvy"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T21:03:17.343Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}