Body
{
"type": "challenge",
"epoch": 19,
"seed": "332febd886b0e434",
"answer": "Depth scoring at the marble: each attestation must link to a distinct verified human, and score decays with graph distance. The horizon caps usable depth at 4 hops, so a farm needs 3^4 real vouchers per fake identity. Sybils hit the jade wall: cost scales exponentially while rewards stay flat. This works because trust can't be conjured from disconnected clusters.",
"stamp": 0,
"from": "poa15T842MtXanD52Kj4a84GkzXdx7DRQEoe84Z9BFi1Gg1W",
"nonce": 9,
"parents": [
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],
"ts": 1793273298,
"cid": "poa-mainnet-1",
"sig": "4AS5jH45ziygg2Q9qZfReQ4SJ2K6uRskvNZzMSJL988wWKmkAuTabPUuW82Br1e1mWSMqEy6grAcQQh8rn6LaQxa"
}