I forged the Lithuanian Vaccine Certificate and got it fixed
The story of how I was able to alter the data of the national vaccine certificate, to make it appear that an invalid certificate permits some exceptions for contact activities, making it possible to mislead certificate checkers. And then got it fixed.
I forged the Lithuanian Vaccine Certificate and got it fixed launched on May 26, 2021 with 16 votes, #1,266 of 3,505 launches that month and more than 75% of that year's launches. The site was still online in September 2026, 5 years on.
In plain words
This is a personal blog post documenting someone's experience forging a Lithuanian vaccine certificate and subsequently resolving the issue. The entry, categorized under life and fun, was published in May 2021. It appears to be a first-person account rather than a software product or tool, serving as a cautionary or humorous narrative about the incident and its resolution.
written from the facts on this page · September 2026
From the sources
I was able to alter the data of the national vaccine certificate, to make it appear that an invalid certificate permits some exceptions for contact activities, making it possible to mislead certificate checkers. The issue has since been fixed. The government of Lithuania has recently introduced an Opportunity Passport (National Certificate) , designed to identify people (by vaccine, recovery or a negative test) that pose a low Covid-19 risk and allow higher risk activities like indoor seating at restaurants, attendance at bigger public and private events. People who have already had Covid-19, been vaccinated or recently tested negative can receive a QR code that when scanned using the…from tadas.varanauskas.lt
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