TL;DRLayer email, phone and IP checks, use step-up verification for risky users only, and never block silently. Conversion stays high, fraud drops.
The conversion tradeoff
Every fraud control adds friction. The art is applying it only where risk is high.
Verify email in real time at the point of capture.Score the IP — challenge proxies and datacenter traffic.Validate phone for high-value actions only.Step up, don't block — reserve hard blocks for clear fraud.Use a combined score instead of any single signal.Log everything so you can tune thresholds later.Keep the happy path fast for low-risk users.Verix returns a single verdict so you can branch cleanly: green = proceed, amber = step up, red = block.
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