Yes they are. Mifare, NFC, and many other technologies exist to facilitate banking. So they indeed have technology R&D departments and are partially in technology. They develop and maintain technology. Idk what to tell you but tech is everywhere now. Everyone develops it. Welcome to the 2000s.

Edit: and dont tell me the platform that became the de facto news source for so many wasn’t even notable lol it basically became a primary source for a significant amount of the global population.