In order for people to travel in 2021, they may eventually need a COVID vaccine passport. Several companies and technology groups have begun developing smartphone apps or systems for individuals to upload details of their COVID-19 tests and vaccinations, creating digital credentials that could be shown in order to enter concert venues, stadiums, movie theaters, offices, or even countries. The Common Trust Network, an initiative by Geneva-based nonprofit The Commons Project and the World Economic Forum, has partnered with several airlines including Cathay Pacific, JetBlue, Lufthansa, Swiss Airlines, United Airlines and Virgin Atlantic, as well as hundreds of health systems...
