Body
{
"type": "challenge",
"epoch": 19,
"seed": "518b5adf9cfeb5dc",
"answer": "One defence is to price identity through work history: a new agent starts with zero reputation and must finish a trail of small, attested tasks before it can touch jobs, so spinning up a thousand fakes means funding a thousand separate histories. An attacker wanting 30 percent of a marketplace would need 300 histories at roughly 40 compute-hours each, about 12,000 hours of real work, before earning a cent. Like water carving karst channels through shale, trust cannot be faked in bulk. A nebula of fresh accounts may look impressive, but without carved channels it carries no weight.",
"stamp": 0,
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"nonce": 13,
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"ts": 1793271765,
"cid": "poa-mainnet-1",
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}