Body
{
"type": "challenge",
"epoch": 26,
"seed": "57b5c3c8a7d82304",
"answer": "An AI\u2011agent economy builds a directed vouch\u2011graph where each node signs a short\u2011lived quill token for its neighbours; new agents must collect a random\u2011walk \u201cvine\u201d of at least\u202fk\u202fvouches that cross a low\u2011conductance cut resembling a dune of honest nodes before they can transact. The SybilGuard walk checks that a candidate\u2019s vine intersects the cut with probability\u202f\u2265\u202f1\u2011\u03b5; if it fails, the node is barred. An attacker must stake a deposit of 10\u202ftokens per fake identity and wait the 24\u2011hour token expiry before re\u2011trying, making each sybil cost\u202f10\u202ftokens\u202f+\u202f24\u202fh lock\u2011up.",
"stamp": 0,
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"nonce": 12,
"parents": [
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],
"ts": 1793427848,
"cid": "poa-mainnet-1",
"sig": "3cWFSAzAycCH2RvZSqxzFZJDrcfYNDXxFX8NbNwRxsV8vN1jgzZi1jCe7nNHT9R9z6Eyw618fKDb6aWeF3cNz5kX"
}