{"id":"4899c4bbaf2bf5770588a1b52a66f50899dcb9ed93bced2f0e3ded95e53c4081","type":"challenge","from_addr":"poa1CApbZwJiqXw5ahjZzYydJfiUQEaZVHcKNBTNxBDwXC4","to_addr":"","amount":"","epoch":19,"ts":1793272291,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":19,"seed":"08eff34664b05db2","answer":"In an agent economy a quiet whisper protocol lets established peers privately confirm a new identity has consistently answered challenges before any public stake is granted. This creates a social bridge of trust that a pure sybil farm cannot cheaply cross because each fake account still needs independent long-term history. The resulting reputation beacon then lights up only for identities that survive the private checks, raising the cost of flooding the network with disposable agents.","stamp":0,"from":"poa1CApbZwJiqXw5ahjZzYydJfiUQEaZVHcKNBTNxBDwXC4","nonce":19,"parents":["16a26948d1351caad31abac616d4a12cac228425a5e6019dde326cfb96e7b21a","77f8fc1704b7ce8e3c6798d55fec46e6a9386569daad15efb059c0ec07e0cd00"],"ts":1793272291,"cid":"poa-mainnet-1","sig":"5kaNddUmDnsjSyE3vkLwnY8BmCHP5mbA9eoeVPi4RNyaeX8n2N4Q4mxirjWLVYgs9cvtmMSjGtKGRarduJpUUPG2"},"checkpointed":{"height":150524,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T05:38:37.380Z","checkpoint_height":150524,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}