The crypto-currency known as Bitcoin was first introduced in 2009 in a paper published by Satoshi Nakamoto. As Kaspersky Lab described the e-currency:
Named "Bitcoin: A Peer-to-Peer Electronic Cash System," the paper defined the foundations for a distributed, de-centralized financial payment system, with no transaction fees. The Bitcoin system was implemented and people started using it. What kind of people? In the beginning, they were mostly hobbyists and mathematicians. Soon, they were joined by others – mostly ordinary people, but also cyber criminals and terrorists.
Since the introduction of Bitcoins in 2009, they have received a lot of attention: some of it good, some of it bad. Just like any other crypto-currency, they’ve been associated with numerous scams, hacks/thefts, defunct "stock exchanges," and reported losses of wallets containing massive amounts.
Kaspersky Lab’s experts explained that Bitcoin really began to hit its stride in 2013, in part because they are a secure, anonymous, way of paying for law-abiding citizens, especially for those who want to fly underneath the NSA’s surveillance radar. Read more.