Mar 24, 2020 · There is no one size fits all for exchanges. Each user has unique needs when buying cryptocurrency. Our Bitcoin and cryptocurrency exchange reviews detail each exchange's supported countries, payment methods accepted, fees, privacy, limits, liquidity, reputation, speed (delivery of coins), customer support, and any past issues. What Is Bitcoin, and How Does it Work? Dec 07, 2017 · Bitcoin. the digital currency, has been all over the news for years. But because it’s entirely digital and doesn’t necessarily correspond to any existing fiat currency, it’s not easy to understand for the newcomer. Let’s break down the basis of exactly what Bitcoin is, how it works, and its possible future in the global economy.