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Fraud · 25 March 2025

Synthetic identities: the customer who never existed

Synthetic identity fraud, real data fragments assembled into fake people, keeps rising as generative AI industrialises the assembly line. Document-photo onboarding cannot stop it. Chip-level verification can.

Synthetic identity fraud is quietly becoming the dominant financial crime of the AI era. Unlike stolen identities, synthetics are assembled: a real national ID number here, a fabricated name there, an AI-generated face on top. The "person" builds credit history patiently, borrows aggressively, and evaporates. Industry analyses consistently rank synthetics as the fastest-growing fraud category in both the US and Europe, with generative AI now producing document images that pass casual review.

Why photo-based onboarding fails

Traditional onboarding verifies a photograph of a document plus a selfie. Both halves are now forgeable at industrial scale: fraud-as-a-service shops sell document templates, and injection attacks feed synthetic faces directly into the camera stream. When the input is a picture, the fraudster controls the input.

Chips do not hallucinate

The countermeasure is to verify something a generative model cannot fabricate: the cryptographic signature a government wrote onto the document's NFC chip. WeVerify reads that chip, validates the issuing state's signature, and matches the chip photo against a certified liveness check that detects injected and generated faces. A synthetic identity has no government-signed chip, so the fraud dies at step one. In production this architecture holds a no imposter accepts recorded to date.

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