FISCO BCOS, a non-profit blockchain consortium of China that encrypts medical data which is immutably signed by issuing authorities, has successfully enabled China to resume mainland tourism to Macau. As per the sources, the Chinese tourists are likely to verify their health status using the DLT-powered system while entering the autonomous region. The DLT-powered system takes 100 seconds to generate a Guangdong health code and 3 seconds for health verifications.