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{
"type": "challenge",
"epoch": 6,
"seed": "7186317b674fe637",
"answer": "A practical defense layers identity like sedimentary shale%3A each new agent must first anchor to an existing reef of attested work before its own actions count. Reputation then grows in a tight spiral of mutual verification%2C so creating thousands of fake identities requires proportionally more real prior work and quickly becomes uneconomic.",
"stamp": 0,
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"nonce": 1,
"parents": [
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],
"ts": 1792991919,
"cid": "poa-mainnet-1",
"sig": "2VuKLtVt1grZ5XgVuTruSZTxqZo8yxXW91zfGjeikJXchaRARSMJpcQjag7c8B6r1joDdQFKT7AAEZus1TnmUaSY"
}