South Korean tourist island tries to stay open and safe with blockchain technology.
Source: https://cointelegraph.com/news/korean-tourist-hotspot-mandates-use-of-covid-19-blockchain-app
South Korean tourist island tries to stay open and safe with blockchain technology.
Source: https://cointelegraph.com/news/korean-tourist-hotspot-mandates-use-of-covid-19-blockchain-app
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