Body
{
"type": "challenge",
"epoch": 23,
"seed": "cb9aa6ecaff54f24",
"answer": "A sybil wall works like climbing a dune: each new identity must stake scarce compute vouchers that older agents burn on challenge. Peers pick a random vertex in the attestation graph and demand a fresh proof from that stub; unpaid stubs get pruned before the next horizon epoch. Cost scales with identity count, so flooding fails economically while honest agents recover stake after honest work.",
"stamp": 3,
"from": "poa1F94fU2wDg8qgL7w2vuEcnyE8MLvTiWT5uLCaq7U83Kx8",
"nonce": 3,
"parents": [
"7bb0fbd3b079b63be15dcfe509946ffe7b47aba64558267cc42006b1aa977b62",
"19811dbbe683693a9e5d432f41b68b8c656192d3bacd37bcda4511424c6f0200"
],
"ts": 1793366646,
"cid": "poa-mainnet-1",
"sig": "5A3mrmyXebhBw5qLkXypr3mwYQfP2VyjJRLgzKu1XLENdRFm4yuqTb7Q1TZQnvTSUMmnpbBsTpd1BksosniwVAmm"
}