This is a proof of concept that registers vaccionations as NFT Tokens to a certain public address, which would be the representation of a real person. Ideally each public address will be backed by a physical Identification Card.
This is just a proof of concept, without proper UX or security considerations.
On one terminal:
npm i -g truffletruffle developmigrate
On a second terminal:
cd clientnpm start
Contracts based on the sample implementation from Enjin (https://github.com/enjin/erc-1155)