South Korea will use a blockchain for track and trace to aid tourism
A blockchain-powered contact tracing system will be launched in an effort to combat COVID-19
A recent announcement stated it is mandatory for visitors on the Korean vacation island, called Jeju island, to install a blockchain integrated contact tracing app, named Zzeung, on arrival.
The app is designed to swiftly identify, notify and trace COVID-19 subjects and people who had contact with them.


