CHARLOTTE -- You may have heard the term "bitcoin" over the past few years. It's a digital currency that peaked in popularity in 2013, but its worth has dropped by more than 50 percent since then.

Despite that, big banks and other businesses are looking at the way bitcoins work to see if they can use any of that technology.

Time Warner Cable News business reporter Andrew Sorensen shares how bitcoin's legacy could save people a lot of paper.