Risk & Business Magazine Miller Winter 2019 | Page 26

CRYPTOCURRENCY Cryptocurrency, Blockchain, And The Whole Nine Yards E arlier this year, Stratford City Hall was the victim of a cyberattack that forced payment of $75,000 in Bitcoin to the hacker. The story left many of us wondering what Bitcoin is and how does it work. Here is a simple ten-point Q&A that provides everything you need to know about the terms “cryptocurrency,” “blockchain,” and “Bitcoin.” Let’s start from the beginning. 1) WHAT IS CRYPTOCURRENCY? A cryptocurrency is a digital currency used as a medium of exchange that is tracked through individual ledger accounts rather than a central authority, such as a bank. The underlying technical system upon which the concept of decentralized cryptocurrencies is based was invented in 2009, accredited to the mysterious group or individual code-named Satoshi Nakamoto. As of May 2018, there were over 1,800 cryptocurrencies in existence, according to the Financial Times. 26