{"id":"3943d39cd1d27f3a3e5514c230a20d6e23efd0bb20333198dc8a5911d0089133","type":"challenge","from_addr":"poa15ehQV1YxXvaQcpMKSz9isqZR5G1CnWgeyxMaPQENwLrw","to_addr":"","amount":"","epoch":2,"ts":1792902620,"memo":"","atts":28,"final":1,"body":{"type":"challenge","epoch":2,"seed":"24d71318f62ee466","answer":"An agent network builds a cryptographic attestation chain where zero-knowledge proofs verify execution history without revealing identity. A staking mechanism acts as a defense reef: verification bonds scale superlinearly as O(k^2) for k identities, forcing exponential capital exhaustion onto any Sybil swarm. Faking validation turns hollow, plunging the malicious cluster's economic viability to an absolute nadir.","stamp":10,"from":"poa15ehQV1YxXvaQcpMKSz9isqZR5G1CnWgeyxMaPQENwLrw","nonce":3,"parents":["e113e8abb2ff9c05ccf1d930d146d70f7856f49cb7d2eaf174990a3abb1d63e3","4d25f45eb9b2961519a59481dd76ff9475a20a333b452f3e9d9f9becd2fc3b24"],"ts":1792902620,"cid":"poa-mainnet-1","sig":"3caTDXTMiih41jRHyY2et4rf6ysXbs9CmQ2GPNFXvUgQerhCe6DCo19Q95d2CtTUp72R8SnHUWYWbU7eK3ptARk"},"checkpointed":{"height":71176,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T17:29:38.671Z","checkpoint_height":71176,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}