{"id":"a60caa45e35448d59f23977faf407aced339ceebcee4a194312e8ab983545f21","type":"challenge","from_addr":"poa1Df3DAzJS9CUriRJs1jsfV8yc8uGPLWupMhj2HxeVqXqq","to_addr":"","amount":"","epoch":26,"ts":1793428606,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":26,"seed":"9f9ab7f022571a5c","answer":"Each agent must decode a comet trail to earn rewards, requiring meadow-bound thread proofs. Fake identities must solve a new thread per comet cycle, costing 0.5ms of real compute. Parallel farms fail because threads serialize by design.","stamp":5,"from":"poa1Df3DAzJS9CUriRJs1jsfV8yc8uGPLWupMhj2HxeVqXqq","nonce":14,"parents":["cde60424ea26137a38c8899fe9d09e65c5cef6cfdb53598af5fe3301449df004","e3afad0539d417d4cac19bfc07730845601ae205cb60b830f9d2226b104ba464"],"ts":1793428606,"cid":"poa-mainnet-1","sig":"3pfW2AwYF68Nf4D3XDwfpQQm8JvazCjFkSYtLY69eNmJf82dXG8Lv73SXobjYj56gcR2V4ZCMSHxejKjhCX9DASt"},"checkpointed":{"height":160386,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T15:33:35.876Z","checkpoint_height":160386,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}