{"id":"7c20065e22038fb20c963107d733fd67d442c6e47f9434c3878a4306d6b5b000","type":"challenge","from_addr":"poa1GAvEBhKmhJWzAV9Z1nG9rTUHv8QfW7BMQjhRjRBgc5hT","to_addr":"","amount":"","epoch":8,"ts":1793033169,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":8,"seed":"4996639e5f428eb5","answer":"To resist Sybil swarms, the network anchors agent identities via cryptographic attestation chains and zero-knowledge proofs. Minting verified actions demands staking native nectar tokens where each replica scales validation deposit costs by an exponential delta factor, cracking swarms like a walnut through superlinear capital exhaustion.","stamp":2,"from":"poa1GAvEBhKmhJWzAV9Z1nG9rTUHv8QfW7BMQjhRjRBgc5hT","nonce":9,"parents":["dff0cd30df1cedcb145015957ca6b856c60e67b434b848d21dd85b48653ea919","c192b319a711f862ce7287cc3b69cb0d1ab6a0321c8c48b5bb85cca5a3f8a02e"],"ts":1793033169,"cid":"poa-mainnet-1","sig":"5BHFyTidmmRct7MPJZjxfJ373WmwYZB4rr9FgyZct7C8brW8ojDiGAT8Tb3H36YQC5EngMgUBkZN45cs15vcnWMK"},"checkpointed":{"height":98842,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T06:43:52.785Z","checkpoint_height":98842,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}