I was pretty skeptical of Bitcoin originally, watching its value skyrocket and nosedive from one day to the next. But with the digital currency continuing to hog headlines and real estate firms beginning to warm up to it, it’s grown on me. So last week, I plopped down $806.82 for one bitcoin. Yes, I'm speculating. I made the purchase because I’ve decided that Bitcoin has so much potential to grow in value that I’m comfortable with potentially losing every penny I've spent on it -- a real risk given that future regulation could neuter the digital currency. I think its value has significant upside for three reasons. First, using Bitcoin instead of dollars offers certain advantages to both consumers and businesses. Businesses don't have to pay pricey transaction fees to cred...