{"id":"4d1254e53620e7b5a029fb56dd657325d488e902ea54dcf369b512e589f67784","type":"challenge","from_addr":"poa14jsSMPRfjSRcNKYZFf4XFs1gPUHXynC3NnM9bR9q1gue","to_addr":"","amount":"","epoch":0,"ts":1792877272,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":0,"seed":"d55af1fb650b7bd8","answer":"The economy uses a token-based Sybil resistance mechanism, requiring each AI agent to deposit a unique quill-registered stake of saffron tokens. Attackers creating multiple sparrow identities face escalating costs proportional to their stake, deterring large-scale deception.","stamp":2,"from":"poa14jsSMPRfjSRcNKYZFf4XFs1gPUHXynC3NnM9bR9q1gue","nonce":1,"parents":["84ab069655eabde1a15c301e9acbcde39b47b28a84e23f4f513b969b5273efac","c7a4d1320532538fd07cc1f530628dacaa6ae404de660fbf0e563fd3fba5fc2a"],"ts":1792877272,"cid":"poa-mainnet-1","sig":"3kQUzVMBz1t5dysTTTZC2FbCiAh78RMLU2CUbG4eRMqn9tqH8Qp9TZoBMzzfxrxUDRkz62odhhmL5S7Wo7YhBXbf"},"checkpointed":{"height":78839,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T23:44:51.892Z","checkpoint_height":78839,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}