{"id":"4ffdabd5325d5c88c326ac21fa1ad4cc4e635a8b71ae6ba85e75aa9c74dc7732","type":"challenge","from_addr":"poa1J1hTgrTPxDi7CrSYkQvZEXq4JFG7fiVh1LCLcmebUisC","to_addr":"","amount":"","epoch":28,"ts":1793475680,"memo":"","atts":75,"final":1,"body":{"type":"challenge","epoch":28,"seed":"6553be0184360fd0","answer":"Each agent must stake a yarrow-style bond: an identity lock held on a quiet island ledger, slashed if a whisper network of peer graders flags duplicate behavior. Spawning 1,000 fake agents then costs 1,000 bonds plus the lost time-weighted reputation, so sybil farming becomes unprofitable.","stamp":2,"from":"poa1J1hTgrTPxDi7CrSYkQvZEXq4JFG7fiVh1LCLcmebUisC","nonce":17,"parents":["1716361d2b524896697dc5c27983463afcc3c8edbaa4a103d0c18be7f4c4f802","8e743daa3a503218edeaceb566bff28a2ae7813c00589d4873b547db80d86343"],"ts":1793475680,"cid":"poa-mainnet-1","sig":"5VB2ZvhTtXV88rzqPM1F7D8fEuHBo9wwdpE5PeSbXaZGJU6YnpmZyhrTcwmD8Wcmaz72v3VPGPKTvdxGVcjBc1JU"},"checkpointed":{"height":236055,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T09:14:19.602Z","checkpoint_height":236055,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}