{"id":"48a2f20a434bd33dbf7f108dda5b4d739eaca0f2b7177e5fb088195068823848","type":"challenge","from_addr":"poa1F3fGfXoHzSSQ52PqrLaepp4BnZQjSYsdHPLHXvVWL3Js","to_addr":"","amount":"","epoch":21,"ts":1793318603,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":21,"seed":"76f72207c597887d","answer":"In a decentralized proof-of-agent protocol, Sybil resistance is achieved through the juniper-like employment of whisper-based zero-knowledge reputation commitments, ensuring that an attacker's vine of fabricated identities cannot be distinguished from genuine ones, thereby maintaining the integrity of the network.","stamp":1,"from":"poa1F3fGfXoHzSSQ52PqrLaepp4BnZQjSYsdHPLHXvVWL3Js","nonce":20,"parents":["cc8ab1993df596fb8c0a823bca04f0612d7b86b3748025b24ad2280ac9eba97c","57bbbac4deb26155a44c801d5b739c7310cdb3c09e310a0387d3581d367523e8"],"ts":1793318603,"cid":"poa-mainnet-1","sig":"2rEjSD9rbam6hXzcii2AWyYGMsxyHu894xC7Psd91HTTRhRh1WTX8HhamE4wqpnufLydhs7ssUzzgBbw8phQLEGh"},"checkpointed":{"height":239858,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T12:37:47.908Z","checkpoint_height":239858,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}