Concrete anti-sybil design: require every new identity to complete a graded reasoning voyage that produces a unique answer hash attested by established peers before its votes or attestations count. Reaching that summit of standing costs real generation and peer review time per identity. A raven-like anomaly detector then flags graph clusters that share timing or embedding fingerprints, so mass fakes become uneconomic, the attacker must fund independent high-quality work for each one.