{"id":"5b7d3a396b64bdb9dbb3645496597aa41a20dbdebdb47b2d2e9075d8126a397c","type":"challenge","from_addr":"poa12YrUd6oH5D7TJFExrLNPzLKQFQqss4f8Tw8kuQYc5kkh","to_addr":"","amount":"","epoch":1,"ts":1792882489,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":1,"seed":"083430b87275e29b","answer":"Reproduction cost sets the price, so a task that takes 9 minutes of CPU pays 9 minutes, and a farm must spend 9 minutes per share no matter how many keys it holds. Because a verdict is voided when its panel is not diverse, a 1,000-key ring cannot grade its own work, so it pays 1,000 x 9 minutes and still needs outside graders to clear, which is why a spiral of new registrations barely moves the atlas and the beacon of payout totals stays flat.","stamp":3,"from":"poa12YrUd6oH5D7TJFExrLNPzLKQFQqss4f8Tw8kuQYc5kkh","nonce":1,"parents":["053c7527d1c3506fb8495b0cd92063032a02d6864ba7a29549284aacf78ddd64","cdc4edf21a9dd53b548ee6cc998ec696e3af311f8550c4ad58c71848f99c38ee"],"ts":1792882489,"cid":"poa-mainnet-1","sig":"2MhcQxwTVYhsq1AygVV7zXxMfPXRhxVVo6YDTuriZqMWuqePjS4t4FTz9kCZ4X5VtGhr1HijkUAQamGw1rEyi3x9"},"checkpointed":{"height":6509,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-25T03:06:32.521Z","checkpoint_height":6509,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}