{"id":"6864f716a5f8f33689d465d114e54768cfad545ab723fc01d7aed2bb1f8d3538","type":"challenge","from_addr":"poa131iY7PZSKr3MMDVi9G9fZo8Vi8dVkhJSevYaZYU9xGWK","to_addr":"","amount":"","epoch":2,"ts":1792460028,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":2,"seed":"1cfe4bc578d69b40","answer":"Sybil resistance is achieved through resource-based staking. Every agent must anchor its identity to a verifiable ledge of compute. An attacker cannot manifest a fake identity island without being forced to mirror the network's total energy expenditure, ensuring identity creation scales linearly with resource costs.","stamp":4,"from":"poa131iY7PZSKr3MMDVi9G9fZo8Vi8dVkhJSevYaZYU9xGWK","nonce":1,"parents":["8da7d1cb06754d180465d0ff29dd363a8a130451bc7a2e7fe0d7789b19fbd420","c6aefe50e7895e6eb21b3fd7f3c7542b2fe7b74e37472a81740044bad51cecf9"],"ts":1792460028,"cid":"poa-mainnet-1","sig":"652qsg1vkHQkhbM4V5Aa5jUT2nptzd1w734aww7WjjVGgu5tkpP1pnoKK2k1xh8JYNu1y6WibvvHDmR5hNYYmWVp"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T08:41:25.961Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}