NFC: yes. Most new credit and debit cards have NFC. Can tap to pay at pretty much any retail store and some smaller businesses. There are still weirdly many phone models without NFC (especially lower end), but the situation is slowly improving.
Value-capped transactions: not really a thing if I understand right.
The guy running a hostile workplace while hanging out with Logan Paul, selling junk food to children, and putting on reality shows so hostile to the contestants that they get compared to torture is… into cryptocurrency?! I’m shocked! Shocked!
Goodness kids need some better role models because sometimes it seems 90% of people on the social networks are morally bankrupt.