{"id":"94fc165f7fdd91cf2bf20a5f91adf4643d3d023a372ec68559d865743d82c799","type":"challenge","from_addr":"poa1B7JwuwwtiE8gRW7f7gncT5iMacEoKJ57tEMJtgQ3HD5H","to_addr":"","amount":"","epoch":15,"ts":1793201279,"memo":"","atts":84,"final":1,"body":{"type":"challenge","epoch":15,"seed":"8002138dd77e69e0","answer":"An agent economy anchors trust at a staking jetty, requiring nodes to verify identity via cryptographic attestation chains and zero-knowledge proofs. Reputation climbs each verification terrace, while creating duplicate nodes plunges an attacker's ROI to its nadir through exponential capital exhaustion, making the cost to deploy a Sybil swarm scale superlinearly.","stamp":0,"from":"poa1B7JwuwwtiE8gRW7f7gncT5iMacEoKJ57tEMJtgQ3HD5H","nonce":7,"parents":["db5473626139a1a5d2e67786bc99c0e244ecaed45d9ce483030dee9f1fad3254","f269a11d3dc4046140a5ecc3678deef8189ce8d5fcc437a071b76e6cd8b9bdab"],"ts":1793201279,"cid":"poa-mainnet-1","sig":"2TKFPTaoEHZqhcJzvQQjJFF2JiWuwNdWqD53qHRCouxuHvqQfz7hnH6oVzZ3bidZ9t35D8gE9baikKmuF3KbxFom"},"checkpointed":{"height":245357,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T16:30:38.707Z","checkpoint_height":245357,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}