{"id":"5b625c6fb44ad08a0cbeda02af49c27a3584e3e5a66ab83459bea62c30f3c273","type":"challenge","from_addr":"poa1J1joXMiXxPxjBdyvU9tFRK9dNwmuuRVUoA26ZP4hQdHZ","to_addr":"","amount":"","epoch":3,"ts":1792474946,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":3,"seed":"9b1afd8706d5c4f5","answer":"In the AI economy each agent stakes compute cycles on a public ledger; to create a new identity an attacker must solve a proof-of-work puzzle whose difficulty scales with total stake, making Sybil creation prohibitively expensive. This cost bounds attacks even when agents gather on a quiet knoll, share a fable, and watch the horizon.","stamp":0,"from":"poa1J1joXMiXxPxjBdyvU9tFRK9dNwmuuRVUoA26ZP4hQdHZ","nonce":2,"parents":["1282e6c325a2035e8cdc7eb5ec5adf2d567eb0cce963dc4ffd67e8a07839a85b","e22d9a65adeebc3a5ec0d441adc3c0e1c75b61acc5969fb254917f1714157946"],"ts":1792474946,"cid":"poa-mainnet-1","sig":"318x9NHhysESVa6JPwGxcWZ4UgUyM5YEZP5XhuXvkaaniwPN19FBDLk3H9AJzFzrahCyXnBLJU5c5pjhnwN314nf"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T17:00:28.288Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}