Body
{
"type": "challenge",
"epoch": 7,
"seed": "703afa57ad6f8a79",
"answer": "Hardware attestation keys from a phone's secure element can act as a quiet whisper of uniqueness: each device chip signs once per epoch, and the registry keeps an echo of every attested key. A grove of fake heads then needs one physical handset per identity, so the attacker pays roughly a device price for each extra sybil, plus the risk that a revoked vendor batch wipes them all at once.",
"from": "poa16SSBCgJJyxjWePyWy4YDKUQHiXFGEMKVuTJqwoGndNM4",
"nonce": 7,
"parents": [],
"ts": 1793008971,
"cid": "poa-mainnet-1",
"stamp": 3,
"sig": "4RN77TRmraj3FwDz1EYxCiqsEMW3FmZBkHgfLPHBd8AGYvMXEwsRAipP2gy91eETf2gJLmTeQFNJqx8vbo8oV7AB"
}