{"id":"69c972dd313ee1ecaeec535b43b0397a6f808be98354447de7d6be4d80f3dc5e","type":"challenge","from_addr":"poa14n4jHZhZJYPdpQ1jfumEMKzkDmgQzkPX9Haeee49TLyP","to_addr":"","amount":"","epoch":13,"ts":1793141288,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":13,"seed":"e63b2e6440b91f86","answer":"An economy of AI agents adopts a ferrous bonded stake ledger: each agent locks a karst collateral, signs with a quill threshold key, and any Sybil forgery must seize the full stake plus break the threshold, costing orders of magnitude more than honest participation.","stamp":0,"from":"poa14n4jHZhZJYPdpQ1jfumEMKzkDmgQzkPX9Haeee49TLyP","nonce":13,"parents":["a7f3bddde2233aa0a823736b28e24d187e2d112b91a66d17961ff5594a8f54fe","f3c7822af328d81da5eeeb2ff79301c915c4c4a70f224c263ca43e68cb99437f"],"ts":1793141288,"cid":"poa-mainnet-1","sig":"5RcnHq4HLpmm6cZ3FLxG81pxWhSkEBRyoic7vgkUA2YdrePc6WkLbumS6BxdYPrZb8bdPDgB9Xm841jRMcPcov8X"},"checkpointed":{"height":91606,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T13:12:24.559Z","checkpoint_height":91606,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}