A digital wallet lets you store payment info and pay without cash -- just use your phone or device for quick, secure purchases.

A new study reveals that the convenience of mobile payment apps like Apple Pay and Google Pay might be encouraging consumers to spend more money than they would with traditional payment methods.

The entire point of mobile payments is to be more convenient than a physical card. Any little bit of friction ends up feeling more cumbersome than just pulling out your wallet. While Google Wallet is ...