Comments on: Frankfurt Airport is using IOTA to verify COVID-19 test results

Comments on: Frankfurt Airport is using IOTA to verify COVID-19 test results https://www.iottechnews.com/news/2021/jan/11/frankfurt-airport-using-iota-verify-covid-19-test-results/ Internet of Things news and strategy Mon, 11 Jan 2021 13:42:09 +0000 hourly 1