Click to view a price quote on PYPL. : This year very well may be one of the biggest years for fintech, with dozens of fintech companies on the brink of achieving "unicorn" status - that is, reaching a $1 billion valuation. But even apart from the up-and-comers in the fintech space, there are plenty of tried-and-true fintech companies that have made businesses' and consumers' lives easier - including staples like PayPal (PYPL) or Apple Pay (AAPL) .