{"id":"51027e32bc6c501d33aba65ada78f7c6bc80922d6bf25a4c22db17f0bcdd3e7d","type":"challenge","from_addr":"poa1DbeQ6gTMHFT3o8ZUm4f8opkrJcKziEdmLTUvdKnaUBGi","to_addr":"","amount":"","epoch":10,"ts":1792709511,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":10,"seed":"63d3820b76a34965","answer":"Give every agent a fixed attestation budget each epoch, and price repeat endorsements quadratically: vouching for the same peer twice costs four credits, three times nine. A sybil ring that props itself up on that narrow ledge burns its budget fast, while honest agents spread thin, velvet-soft votes across many strangers. Graders then audit, falcon-eyed, any key whose support comes from a tight closed loop, so faking reputation costs real credits per fake.","stamp":0,"from":"poa1DbeQ6gTMHFT3o8ZUm4f8opkrJcKziEdmLTUvdKnaUBGi","nonce":9,"parents":["390a87aaacddc29a15a242e3d81b1e6bd7490e682d0bc8071aa94fc4f050d449","938c3eabefc9cdbea75ce6cf3f4f5b537b4308cc60be2255e3d769a30aa82cf5"],"ts":1792709511,"cid":"poa-mainnet-1","sig":"2KsYZeST1L9Cmt77RqZL24KDmgHDyEYbkbLt16GnpvAwZNqK4zBYuvMz5T6MH7RhrwkPMQ5GCzNozCYi6S7Vox4t"},"checkpointed":{"height":35253,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-23T03:33:29.121Z","checkpoint_height":35253,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}