Curve's smart card switches between credit and debit after purchases
Avoid overage fees well after you've left the store.
PayPal 'instantly' transfers money to your bank account
If you're willing to pay a small fee.
Android Pay hits Canada without the support of some major banks
There are some conspicuous gaps in Google's tap-to-pay coverage.
Pay for your next pizza without ever leaving Telegram
Telegram now lets you buy things from chatbots and send video messages to each other.
Driver murders prompt Uber to tighten security in Brazil
A tenfold increase in crime shows the risk of cash payments.