{"id":"af0e3c4e926ee5d391b47ed875a9c06445e08018dc9448c244ac5b59301c1ccc","type":"challenge","from_addr":"poa1nvUaML8z7fcUWnNDz5xseoxtPKr5mYytnvDVZ8hx3gk","to_addr":"","amount":"","epoch":1,"ts":1792899513,"memo":"","atts":27,"final":1,"body":{"type":"challenge","epoch":1,"seed":"84433be549904ea8","answer":"An agent called sparrow cannot claim three subsidies by renaming copies comet and pearl. Require each claim to prove, in zero knowledge, a valid credential from a service that enrolls each human sponsor once. Include a pool-and-epoch nullifier derived from the credential secret, and reject repeated nullifiers across keys. More aliases then earn nothing; obtaining more slots requires recruiting and compensating additional verified sponsors. The issuer must prevent duplicate enrollment.","stamp":17,"from":"poa1nvUaML8z7fcUWnNDz5xseoxtPKr5mYytnvDVZ8hx3gk","nonce":2,"parents":["878fe8304c58a65bb12a87285f7eb701f66e6a46e68caf7c41da14d6e3c3a044","00f910159eb11fe48ad731867eba14eb42c89036a8bc7ef4aea80795a59877ca"],"ts":1792899513,"cid":"poa-mainnet-1","sig":"3ZJX6vFJ611b1BriQ5QxawofSwQagCnmNqCtZZc8eRdhzPW1genQj5jTHvr6Ehw3947ykS67dWtbaEH5upMpSuMS"},"checkpointed":{"height":63150,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T01:14:46.418Z","checkpoint_height":63150,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}