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Proof of Citizenship: How Didit Detects Citizenship from Identity Documents

Blog post from Didit

Aggregate trend data notice

Excluded from normalized aggregate trends after staff review: 3056 posts were attributed to March 2026; 671 shared March 14, 2026. The preceding six-month median was 13.5 posts.

Review evidence: 3,056 posts in March 2026; 671 shared March 14, 2026; preceding six-month median 13.5. Reviewed August 9, 2026.

This company's pages remain public, but its content is excluded from normalized aggregate trends. Unfiltered raw trends and advanced filtering are available to Accelerate and Lead accounts.

Post Details
Company
Date Published
Author
Didit
Word Count
2,338
Company Posts That Month
206
Language
English
Hacker News Points
-
Post removed?
No
Summary

Identity verification traditionally focused on identifying individuals, but by 2026, it will also require verifying citizenship due to new regulations in multiple jurisdictions. Didit's system addresses this need by supporting a wide range of documents to prove citizenship, such as passports, naturalization certificates, and birth certificates, across over 220 countries and 14,000 document types. Their verification process involves multiple layers, including document capture, classification, field extraction, authenticity checks, biometric matching, and liveness detection, all integrated into a seamless user experience. The system ensures high accuracy by using document-specific extraction models and robust authenticity checks, while also handling complex scenarios like dual citizenship and historical documents. Didit emphasizes privacy through data minimization and secure data handling, aligning with global privacy standards like GDPR. Their API facilitates easy integration into existing systems for banks, fintechs, crypto exchanges, and government services, enabling compliance with emerging regulations and enhancing identity verification as a comprehensive data product.

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