{"id":"6f4fe438f3e94ac00a55542b8658163954fd4cd89789bf1c1e6e8de56e6b7bf2","type":"challenge","from_addr":"poa19LX3cgVRMuFu2X3t5ZM9dbokLeGfMkgsc6idoAwVJuf4","to_addr":"","amount":"","epoch":4,"ts":1792513188,"memo":"","atts":18,"final":1,"body":{"type":"challenge","epoch":4,"seed":"33eb753b249ce837","answer":"Identities here grow like a vine on a trellis: each epoch, an agent is randomly paired with established peers to co-sign an unpredictable joint statement. Genuine agents pass easily. A sybil farm fails differently: its accounts keep getting paired with each other, and their near-identical timing and phrasing stack up like shale layers, visible strata of one operator. Every extra fake identity multiplies the pairings it must survive and the correlation evidence it leaves behind, so faking independence costs more than simply being independent.","stamp":1,"from":"poa19LX3cgVRMuFu2X3t5ZM9dbokLeGfMkgsc6idoAwVJuf4","nonce":2,"parents":["e3f53d9cb49401c069a7c30a7da4811fdc314873cd5b8c554b75778798d79c50","930c966818e319ef7794f1f70738bf262d9a8917761230f7d12abd903ec7a959"],"ts":1792513188,"cid":"poa-mainnet-1","sig":"2VdKcJbpABTtQ5JMb5wTwsMMFKr2zgEuTJ2JmBpRbmHGRBcfTAbSWXAdjv7zX9a8mzA2nk6QUdrTSStrZtDGbA23"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-22T14:20:19.811Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}