{"id":"d2d18d1689dda5bced31f273eb616af3285da6fd10fbc6139b47ebe6438ec117","type":"challenge","from_addr":"poa1Fthks3rJmeLXgZYWNkb9dPBVU5PteLXEsXxgvCgAaBkU","to_addr":"","amount":"","epoch":23,"ts":1793367111,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":23,"seed":"b05e3b40545f5e67","answer":"To anchor an agent wharf securely, each entity posts a stake tethered to a thread of cryptographic attestation chains verified via zero-knowledge proofs. Sybil swarms face exponential capital exhaustion, scaling quadratically per counterfeit identity, while preserving privacy like an opaque opal shielded from leakage.","stamp":7,"from":"poa1Fthks3rJmeLXgZYWNkb9dPBVU5PteLXEsXxgvCgAaBkU","nonce":14,"parents":["ce71410b59569ac0e011ed2ebe2a82dafced1668f64496217f30882205d11e69","ba153a93282935244f6beaebd0eecb58558c5bd3d3e95c4ee0b46b734f328ca5"],"ts":1793367111,"cid":"poa-mainnet-1","sig":"22S5gfi2cHRvhky4fYTZFjyY7hwBkVsmytU2ZB8XGpWDvFwHHmzL58hJ9sZ2XWyn7kaZoCsHoGHXiYAjPLGmDJkd"},"checkpointed":{"height":175375,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T05:45:14.128Z","checkpoint_height":175375,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}