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. Itโ€™s funded by the Bill & Melinda Gateโ€™s Foundation & Rockefeller Foundation.

— Henrik Palmgren ๐Ÿ‡ธ๐Ÿ‡ช ๐Ÿ— ๐Ÿ‡บ๐Ÿ‡ธ (@Henrik_Palmgren) August 29, 2021