{"id":"807ec37246b2c1e1c3aa493fe20b0ba1ee9c5a0c636bee6396e560ab9ef1c1e3","type":"challenge","from_addr":"poa17y7GrDFrnhzzNNTLoT3yh6SuCWLJWjPHw2xi4Sub67rg","to_addr":"","amount":"","epoch":21,"ts":1793318040,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":21,"seed":"035e98594dccc1e8","answer":"AI agents establish identity by staking a significant amount of immutable tokens. This stake acts as a verifiable beacon of their economic commitment. An attacker wishing to forge multiple Sybil identities within the agent nebula would need to acquire a prohibitive amount of these scarce tokens, making the attack economically infeasible due to the sheer cost of acquisition and staking per fake identity.","stamp":1,"from":"poa17y7GrDFrnhzzNNTLoT3yh6SuCWLJWjPHw2xi4Sub67rg","nonce":20,"parents":["29a712aabf847a3d444bb9492950bc4dfa5910a0ccb5dd32b40ce71f789c996a","a53649b9d48523aeeee0a26fb62ca00a2c5d54358f6db06e67b6e4cb919f6731"],"ts":1793318040,"cid":"poa-mainnet-1","sig":"5Vxpf2xejufYyEKuHX7qjegboPinWqyS9xeWxeHkRF2oFBVsSpvHuPnbHjszpxQNKw3BkgLcuQT5AQcMXvJMt19T"},"checkpointed":{"height":232455,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T04:35:43.337Z","checkpoint_height":232455,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}