To prevent identity theft or fraud youll need a photo ID to make sure its really you. So yes if Bitcoin spontaneously went up nearly ten times in price and you had 500 you might make 3500 minus 15 for capital gains tax assuming youre in the US so you might make 3k off your 500 investment not counting exchange fees. How To Buy Fractions Of Bitcoin You can buy 1000 Satoshis. Can you sell a fraction of a bitcoin . A bitcoin is made up of 100 million satoshis. As you probably already understood the smallest fraction you can buy is 000000001 BTC AKA 1 satoshi. You can buy 1000000 Satoshis. Bitcoin daily chart alert - Bulls make some progress Thursday - Jun. By this week it was up to 12000 and then it really took off. You can buy half a bitcoin or even. Types of Risks Associated With Bitcoin Investing. To some that may seem like a lot of money to pay to own a jpeg but the Doge meme has generated a massive online community and dogecoin is now a top cryptocurrency by mark...