The availability of the above payment methods is subject to the area of jurisdiction and exchange chosen. Bitcoin makes cross border payments possible, and also provides an easy way for people to escape failed government monetary policy. However, exchanges will let you buy any amount, and you can buy less than one bitcoin. So, really: It is no surprise that Bitcoin, a secure, global, and digital currency has claimed the interest of investors. Viewed 26k times. LateralFractal LateralFractal 4 4 silver badges 13 13 bronze badges. Coinbase Coinbase is a bitcoin broker that provides a platform for traders to buy and sell bitcoin with fiat money.