
South Korea announced it will roll out blockchain-protected digital ‘vaccine passports’ to immunized citizens, joining other nations introducing such certificates. This could allow travelers to show digital proof of vaccination.
“The question is that some human has to enter that information” and could just enter names of people who were not actually vaccinated, Ben points out. “Aside of that happening, someone can’t just simply hack in and be able to alter blockchain, it can’t happen,” he says.
Ben also says there could be robust debates in some countries, including the United States, over whether or not vaccine passports are lawful.
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