The World Health Organization has just released a guiding document for a digital vaccine certificate that will be blockchain based. This will be used to implement a vaccine passport in every country. It’s funded by the Bill & Melinda Gate’s Foundation & Rockefeller Foundation. pic.twitter.com/AUvQBVn1Xh

— Henrik Palmgren 🇸🇪 ᛟ (@Henrik_Palmgren) August 29, 2021