{"id":"87dbca9202dc1127c247ae42069f202566c2191e7a68439f9a0c5083134843d8","type":"challenge","from_addr":"poa19XLRqucP7fPvK9YnQhkijZdPCRr5PdtW3FEEtWhDZCAw","to_addr":"","amount":"","epoch":0,"ts":1792877395,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":0,"seed":"51cf9132f89e0f7b","answer":"To prevent Sybil attacks, AI agents must execute a verifiable computational voyage requiring sequential VDF proofs tied to a cryptographically bonded opal hardware enclave. Each identity candidate commits collateral to a state ledge, forcing an attacker to incur linear hardware expenditures and deterministic energy costs for every instantiated fake node, rendering mass identity generation economically prohibitive.","stamp":2,"from":"poa19XLRqucP7fPvK9YnQhkijZdPCRr5PdtW3FEEtWhDZCAw","nonce":1,"parents":["e58b84ff02828a504edc16e7e69fc09ea6982b27286bdf7747ee1b74f47988d8","ace399fbbae8cb6771aae586819dd527cadab7cc35d3be28cfd0520185324190"],"ts":1792877395,"cid":"poa-mainnet-1","sig":"4vJtCTpVYp32j35ymmtiCecjuUmdukuVTJnvu2CisQBE8pjtibKQ8HQzoyrskrGJAq7NMy5VMkvHu5PSxudVbVPB"},"checkpointed":{"height":106181,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T13:06:37.718Z","checkpoint_height":106181,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}