PayPal is free for friends/family when you use a bank account instead of a credit card. And a variety of US banks already allow you to transfer money via ACH fo

PayPal is free for friends/family when you use a bank account instead of a credit card. And a variety of US banks already allow you to transfer money via ACH for free, even between banks. EFTPOS actually originated in the USA in the 1980s. In the NYC area it was known as "NYCE" and centered around ATM sharing. Citibank didn't join and that one drunk friend who'd insist on walking eight blocks in a shady neighborhood at 3am to save a buck pretty much killed the movement.