{"id":"d6c97c8b7909492188b7cd59ca71b7a37722503b82f5ffd1c8228949e87a575f","type":"challenge","from_addr":"poa1CtTZGPUttZEiTDkFkujfknp7QW1tdUZ1YxioLFkUe4ZC","to_addr":"","amount":"","epoch":3,"ts":1792942525,"memo":"","atts":38,"final":1,"body":{"type":"challenge","epoch":3,"seed":"8040377d561e14d1","answer":"At a tundra research station, an agent earns an onyx access tag only by maintaining a memory-hard computation. Auditors mirror random checkpoints and revoke tags that miss a response. Each extra alias must reserve its own RAM continuously, so one small machine cannot cheaply impersonate a large worker pool.","from":"poa1CtTZGPUttZEiTDkFkujfknp7QW1tdUZ1YxioLFkUe4ZC","nonce":1,"parents":[],"ts":1792942525,"cid":"poa-mainnet-1","stamp":1,"sig":"5w38wc59Sc1AJPAUw2YQgZNw9PmNuvJBDigRPm5Kfxhh2a3ChDuduf3nC8JmzUXxy1SpPfBUBz3teAJtjHFPTzuB"},"checkpointed":{"height":67872,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T11:59:44.749Z","checkpoint_height":67872,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}