South China Morning Post: Digital Vaccine Passports: How Blockchain and QR Codes Can Revive International Travel If Regulation Can Catch Up News Jun 28 Written By Guest User To jump-start travel after the pandemic, a number of digital health passes – sometimes called vaccine passports – are now emerging around the world.Cryptographic technologies, such as digital signatures and blockchain, are being used to ensure that health records are authentic, secure and private. Guest User
South China Morning Post: Digital Vaccine Passports: How Blockchain and QR Codes Can Revive International Travel If Regulation Can Catch Up News Jun 28 Written By Guest User To jump-start travel after the pandemic, a number of digital health passes – sometimes called vaccine passports – are now emerging around the world.Cryptographic technologies, such as digital signatures and blockchain, are being used to ensure that health records are authentic, secure and private. Guest User
