Earlier quoted context omitted.
Here in Brazil, we have that since last month. The new money transfer system (Pix) allows anyone to send money to a key, which can be a person's CPF (the tax ID number nearly everyone has), a phone number, an email, or a randomly-generated number. These all map to a bank account (you can also use Pix to send directly to a bank account number); the directory with these mappings is kept by the Brazilian Central Bank, a…
Fascinating, this is the first time I've heard of Pix. Can you own the private key? Can you create an account without having a bank account?
UPI is more like venmo on steroids, but it is no crypto-currency replacement.