The large markup is simply the price buyers are willing to pay for an easy way to buy bitcoins privately. Only a legal professional can offer legal advice and Buy Bitcoin Worldwide offers no such advice with respect to the contents of its website. Year in Review Most people are familiar with cash and traditional ATMs. Other companies have warned about how the shifting fortunes of cryptocurrency markets could impact them in the long term, including graphics card maker AMD, which has seen demand grow thanks to the need for chips as part of the mining process. Yet whether cryptocurrencies themselves will affect the use of ATMs remains to be seen, since cash is already fading away as a payment method in many countries.