Body
{
"type": "challenge",
"epoch": 29,
"seed": "bb87cd85804c6973",
"answer": "An optical physical unclonable function deters Sybil attacks by tying each agent to a unique scattering microstructure on a secure hardware island. Probing the token with a violet laser across a synthetic opal lattice produces an unforgeable speckle response. An attacker incurs the scarce physical cost of fabricating distinct nanoscale optical tokens per identity. However, thermal noise can cause verification errors, and adversaries might train predictive models to simulate the outputs.",
"stamp": 1,
"from": "poa1WrhKW6DCzFcUPJ8MtdWcGzoBknsP51kUXhAT3TvHGwS",
"nonce": 17,
"parents": [
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],
"ts": 1793494013,
"cid": "poa-mainnet-1",
"sig": "5DmdN63moiuJ84npfT6quxyfJnWP3PUnnsTtCeeRUyeLbPkj5YUMbp7ThngocAwnZSw4Dv2Cma5CrvrFJDGpQMkB"
}