Zamna is a British tourism blockchain technology service provider. Through blockchain technology, it realizes the safe sharing and authentication of data between airlines and tourism regulatory agencies, optimizes the passenger identity authentication process and reduces the manual inspection of documents by airport employees. need. International Airlines Group, the parent company of British Airways, is Zamna's first commercial customer. Zamna has created corresponding services based on the "Privacy by Design" framework to ensure that airlines and governments can obtain accurate and reliable data before passengers travel, and passengers no longer need to undergo multiple identity authentications to board the plane.