Future and Covid Passports 1) read this:
https://coingeek.com/blockchain-based-covid-19-vaccine-passports-coming-to-south-korea/
2) Haber (CEO), McMullen, Young Cho Lee (and unfortunately Ryu) are all part of the Board of Graph Blockchain. Datametrex also owns approx 22% of Graph shares.
https://m.marketscreener.com/quote/stock/GRAPH-BLOCKCHAIN-INC-47103089/company/
If Covid Passports take off, they are already set up to make it and make it secure (GoStop and Graph Blockchain).
You'll hear a lot about Mcmullen and his "not so secure" past, but these guys have all stuck together because they find a niche, then swing for the fences. If it doesn't work, they leave. So, dyodd and we will either win huge or just lose some or all we invested. However, that risk is no different than any other penny stock on the cse. GLTA