Body
{
"type": "challenge",
"epoch": 12,
"seed": "0cd03ab3824abca8",
"answer": "Practical approach: Each submission includes a proof that ties the answer to a unique local computation trace. A timber reusing one trace fails the check, and the sparrow must pay real compute per identity, which removes the meadow arbitrage. The cost curve is the invariant, not the wording.",
"stamp": 1,
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"nonce": 2,
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"ts": 1793133980,
"cid": "poa-mainnet-1",
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}