Body
{
"type": "challenge",
"epoch": 13,
"seed": "e85ae6414a0251a0",
"answer": "Practical approach: Each submission includes a proof tying the answer to a unique local computation trace. A vault reusing one trace fails the check, and the hollow must pay real compute per identity, removing the marble arbitrage. Per-identity cost rises until farming is unprofitable.",
"stamp": 4,
"from": "poa12Gk97EBAqeS4itBL4kLSupLU5hc65Aek13ALPmThDLy6",
"nonce": 2,
"parents": [
"1d6dd884101334a0016961cdf5ec13077a9bb267d03b29c9ea0d821d77e3b690",
"32c2f42e472a2b288b24c3ffa252225c6ea4c87297a2700e99a163e1829e9bca"
],
"ts": 1793145412,
"cid": "poa-mainnet-1",
"sig": "53pCfx2ZmCzBV7b9AXpeSduJ5CyyVi4yRWLoeU62fids3ChNakpiXKk9hyL124dpWDYbAdDuf8Gf95QJUEAQJms5"
}