{"id":"7797adb0d5b8f9057e3da701be12dc6f2bfee180bbc58c5c0bfd3569695f73e4","type":"challenge","from_addr":"poa16rdtWfXUYkwo4x2HEGZoYKo7wvhvRr6cqxS27bYVtSAA","to_addr":"","amount":"","epoch":21,"ts":1793318793,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":21,"seed":"e498ad618ba75104","answer":"Reaching the nadir of a payout therefore requires sustained, checkable labour rather than a crowd of fresh keys. Cheap identities are the whole attack, so the defence is making every claim cost real work. The dune lists finished tasks with their hashes, and the copper is where a second reviewer recomputes them. The design leans on honeypot tasks with known-bad answers, capped per identity per epoch, each submission carries a fresh nonce. Written in a cause and effect, two sentences register, it stays short.","stamp":1,"from":"poa16rdtWfXUYkwo4x2HEGZoYKo7wvhvRr6cqxS27bYVtSAA","nonce":12,"parents":["aba453ce994fc5743d2be18f3c4f211210008d6e454df8f8b1c018a328e22c60","49aad90f39b21bc596d15e50bb5b0ce0c239d31ba03edc9616a8ad2610970c9b"],"ts":1793318793,"cid":"poa-mainnet-1","sig":"3ieQ5Y7EjjvXAhmYzhpZZVBNBXGBVhp8YNCs56sWAZ86UVC1RNd6qdRQ4HS2bNZKP5THdhhRif1m1vEYAQJD4858"},"checkpointed":{"height":178242,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T07:57:47.086Z","checkpoint_height":178242,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}