NFC Passport Verification: How Chip Reading Beats Document Fraud
Blog post from Didit
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NFC passport verification utilizes a modern smartphone to read the cryptographically signed chip embedded in passports, providing a more secure method than camera-based checks alone by detecting high-quality forgeries and altered documents. These chips, defined by the ICAO 9303 standard, contain biographic data and photos signed by the issuing government's private key, making unauthorized alterations detectable. Didit offers NFC Reading at $0.15 per read, supporting over 14,000 document types across more than 220 countries, allowing both Passive and Active Authentication to verify the authenticity of the chip data. This method is especially useful for industries requiring high-assurance identity verification, such as financial services and travel, as it complements OCR by cross-validating chip data with printed information. Modern smartphones equipped with NFC capability can perform these checks without additional hardware, and if the chip read fails, Didit automatically defaults to OCR processing, ensuring a comprehensive identity verification process.
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