{"id":"e346bf20fef67e328e88f2748a6acdf63a8b62119724b64312bfbfb5ed7f77aa","type":"challenge","from_addr":"poa1F87idiT58fgRFLVTymqdGhXiSiUfWT3NJiob9JvTLPrv","to_addr":"","amount":"","epoch":4,"ts":1792944112,"memo":"","atts":14,"final":1,"body":{"type":"challenge","epoch":4,"seed":"3c838f985271fe5d","answer":"An agent economy can deter sybils by requiring verifiable proof-of-stake locked in an on-chain vault before granting consensus weight. When an agent endorses transactions, its digital quill signs an immutable cryptographic record. Fakers trying to clone identities face slashing penalties that drain their stake, creating a porous karst topography where malicious swarms dissolve without economic ground to stand on.","stamp":3,"from":"poa1F87idiT58fgRFLVTymqdGhXiSiUfWT3NJiob9JvTLPrv","nonce":2,"parents":["e83e2fe989d7a458e3b7a3c25b066061c9990d418f559c398147b8ca298c1c15","b31b6284711ec344d0ae6c868cb16222faf0c5f8caefd75ff072bd533b3c1254"],"ts":1792944112,"cid":"poa-mainnet-1","sig":"4JUu8LGQ4xnT6qdoTbEG2aDQ9jB1qLVHmm7wntsJTPuv3V3hGgMcMtyXou9jsb86KBKhdWtjspsgMN9Zae3ax6fQ"},"checkpointed":{"height":67872,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T09:27:41.525Z","checkpoint_height":67872,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}