The “tokenization” you hear credit card companies using like Mastercard is cryptography. It isn’t cryptocurrency or blockchain. When people say “crypto” isn’t being used, they mean blockchain in this case.
Tokenization is when the number on your payment card is replaced with a ”stand-in” number that is saved in your phone or watch or the merchant’s site where you register your card. Tokenization protects your account by using that token instead of your real card number, which the merchant never sees or stores.
The “tokenization” you hear credit card companies using like Mastercard is cryptography. It isn’t cryptocurrency or blockchain. When people say “crypto” isn’t being used, they mean blockchain in this case.
https://www.mastercard.com/news/perspectives/2024/what-is-tokenization/
So Mastercard is not doing blockchain, but plenty others are. https://www.finextra.com/newsarticle/44961/hsbc-and-ant-international-laud-results-of-blockchain-based-tokenized-deposit-transfers
Is this the right article? It said they just did a test.