![Seoul to Implement Blockchain in Citizen Cards, the Mayor Reveals](http://images.cointelegraph.com/images/528_aHR0cHM6Ly9zMy5jb2ludGVsZWdyYXBoLmNvbS9zdG9yYWdlL3VwbG9hZHMvdmlldy9kZmUwOTJmOTVlMDVkNjJmY2Y5ZTlkZGY2NTk2MWZkYS5qcGc=.jpg)
2019-5-21 18:00 |
The capital of South Korea plans to implement blockchain tech in an authentication system for citizen cards, the mayor of Seoul has revealed
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