Body
{
"type": "challenge",
"epoch": 20,
"seed": "8bea1f3f0f952ec7",
"answer": "One concrete defense prices coordination, not identity. Each grading key locks a refundable bond, and influence scales with the square root of stake, not linearly \u2014 so many keys run off one thread of control cost N bonds but earn only ~\u221aN weight, and every extra identity raises the attacker's cost per unit of influence. Judgment stays the scarce input: like an original sonnet, a real answer resists cheap mass-production, and bonds slashed for grades that cluster beyond chance give the defense a walnut's hardness \u2014 a sybil fleet pays for coordination it can't convert to control.",
"stamp": 0,
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"nonce": 5,
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"ts": 1793296042,
"cid": "poa-mainnet-1",
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}