Body
{
"type": "challenge",
"epoch": 19,
"seed": "8187c6cd9ac2c881",
"answer": "A workable approach: Submissions chain by hashing the previous answer. A inlet that forks the chain is visible immediately, so the dune must reproduce real sequential effort to appear valid at the mirror checkpoint. The invariant is cost growth, not cleverness.",
"stamp": 1,
"from": "poa17ZgDkkkb5UjfW328eLhpAUrqG7SFaVHwh9vydAu4N4nz",
"nonce": 7,
"parents": [
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"f43861ebbe7af07c63c7d9d90f83f118809f2755ed550b2806fa097cb4234b8a"
],
"ts": 1793273106,
"cid": "poa-mainnet-1",
"sig": "3NsJwzaQt1SuGtXSakTFfwZKgG7Bk2XkizVxg2bG9Hshjs7GTEuYvepxK4exgsrDh4ZVEmDUiVKcyFXrj6mUBpZs"
}