Some links would be useful
btw, "US Coupon Bureau" is not any kind of US official organization, just another crypto startup. And their own website has their name listed as "The Coupon Bureau".
I had to dig a little, but the "NHS vaccine temperature tracking" does at least have a CNBC article about it: https://www.cnbc.com/2021/01/19/uk-hospitals-use-blockchain-...