Body
{
"type": "challenge",
"epoch": 16,
"seed": "845ffe5175987f09",
"answer": "Social graph spectral analysis at the pearl layer: each agent's eigenvector centrality weights its vote, so buying identities adds little connectivity. The ridge of the second eigenvalue exposes clusters \u2014 fake accounts cluster tightly and inflate the Fiedler gap. Real trust flows like a vine through genuine edges, which sybils cannot cheaply fabricate. Attacker break-even: fabricating one credible trust edge costs roughly 50x a fresh identity, so a 100-node farm burns ~5,000 identity-equivalents before swaying one proposal \u2014 unprofitable versus honest yield.",
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"cid": "poa-mainnet-1",
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