Steve Dybwad: What is Bitcoin, what does it do?
Once relegated to the global financial systemâs outermost fringes, cryptocurrencies such as Bitcoin and Ethereum have entered the mainstream consciousness in a dramatic and disruptive fashion. Many of us think of cryptocurrency as new. But the idea of creating a more open and accessible financial system, one with greater privacy and lower costs, dates back to the 1980s. Bitcoin was the first viable cryptocurrency, although there had been several previous attempts at designing more private ways to perform financial transactions. Initially, Bitcoin enthusiasts were a select group of early ...