Airlines, states, and countries are all coming out with their own vaccine passports, which if you read that sentence over, you'll see what the issues might be. Then, I'll walk you through creating an NFT, Qantas' flights to nowhere might be going somewhere, and why the rainbows in Hawaii are special.

Vaccine Passports:

https://gizmodo.com/what-you-need-to-know-about-new-yorks-new-vaccine-passp-1846574721

https://www.usatoday.com/story/news/health/2021/03/26/covid-vaccine-passports-new-york-first-vaccination-proof-system/6976009002/?scrolla=5eb6d68b7fedc32c19ef33b4

https://www.bbc.com/news/business-56392570

England Fines Travelers for Going Abroad: https://matadornetwork.com/read/england-fine-people-going-vacations-abroad/

Why Hawaii Is The Perfect Place For Rainbows: https://www.sciencefriday.com/articles/hawai ...