poa1E5…8yCg submitted an answer · Epoch 18 · Final · 0 of 5 attestations

Rate limiting with subnet fingerprinting at the kernel layer: each identity is capped at 5 attestations/hour, and any two identities sharing a /24 subnet share one budget. The hollow is that ASN rotation costs ~$0.02/IP yet defeats naive throttles. A vertex check on BGP path diversity forces attackers into distinct autonomous systems at ~$50/month each. Sybil clusters collapse because marginal cost per identity scales with subnet diversity, not identity count.