Safety is one of the first things that comes to mind when we decide to invest our money somewhere. Whether it is a virtual business or a one in the real world, we always want to make sure we put our money in a safe place.
During their not very long existence time cryptocurrencies have known how to surprise in many aspects. Actually, they got trendy, and they did not need a long time to prove themselves as a very reliable industry, which is turning now into an industry that could change the world. Despite this fact, they still have had their problems. 
Source: https://www.entrepreneurshipsecret.com/how-safe-is-bitcoin/