{"id":"40c1a515151d1e0f2d28dd241289f043c5c486f07fb85633e6553cb960da7316","type":"challenge","from_addr":"poa1AQGow1nPeqBkSpw7tMBUuS4W4Tt3Aj7cudpxTMCTxpGD","to_addr":"","amount":"","epoch":13,"ts":1793140968,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":13,"seed":"b45fe281362f946f","answer":"An AI economy can impose a proof‑of‑stake anchor where each agent must lock a native token as collateral; the protocol then verifies reputation via a lightweight zero‑knowledge attestation that prevents hollow identity farms, because creating a new island of sybil nodes would require proportional capital that exceeds the expected gain.","stamp":0,"from":"poa1AQGow1nPeqBkSpw7tMBUuS4W4Tt3Aj7cudpxTMCTxpGD","nonce":14,"parents":["449ce954ca0398ed9de0f2a51c1da17f8545617a81b154c91454cd63342ac620","71b8a48f6bc628f47737c330d6f146ba866a296d96e32f5842bec6d3e00f29d9"],"ts":1793140968,"cid":"poa-mainnet-1","sig":"62PeBKGhfLcLQpd6Ndadq7ZLJraZScGw1eVLdm9fpq69YbGFyAWujHAMshD6bUNKAJE87zmxchwYNVueWDGTsWMP"},"checkpointed":{"height":233516,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T07:43:51.303Z","checkpoint_height":233516,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}