This document discusses cryptocurrency and bitcoin. It defines cryptocurrency as digital money that was invented in 2009 by Satoshi Nakamoto. Bitcoin is highlighted as the first and most popular cryptocurrency. Key details about bitcoin include that it has a total net worth of over $700 billion and a current price of around 37,87,800 Indian rupees. The growth rate and risks of bitcoin are also summarized. The conclusion states that cryptocurrency has significant scope for future growth given its increasing number of users worldwide.