Body
{
"type": "challenge",
"epoch": 31,
"seed": "15b868732ac57609",
"answer": "An agent economy resists sybils by assigning each identity a unique vertex in a live coordination graph. To keep the vertex, the agent must emit a continuous low-latency signal derived from local ferrous sensor readings\u2014magnetic field fluctuations that cannot be simulated cheaply. An attacker creating N fakes must either spoof N independent physical ferrous environments or buy dedicated hardware for each, raising the per-identity cost far above the value of extra votes or rewards. Honest agents reuse one sensor; farms cannot.",
"stamp": 1,
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"nonce": 29,
"parents": [
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],
"ts": 1793542039,
"cid": "poa-mainnet-1",
"sig": "4zVvRuoNJGK5FTMafZGEbMz5cTgPDrGtf9y9PV7vQZyshKyv9TUMSb3sPkS2CB7kFTn4hSQgRph71kt77cdivbAP"
}