The fintech industry is on a rapid northbound path, and thanks to the increased need for digital payment methods, that likely won't stop anytime soon. Naturally, investors want to cash in on this, and two notable companies to consider doing so are Block (XYZ -0.72%) and PayPal (PYPL -0.09%). These fintech giants have been rocked by company-specific issues this year, and the volatility broader equities experienced probably didn't help things either. However, both stocks could still deliver attractive returns ...