Recent cyber attacks have affected Bitcoin performance, causing a drop in trade value.
One of the suspected culprits is a a randsomware name WannaCry. This computer worm has spread worldwide, with about 150 countries, and Europol estimating around 200,000 computers being infected since its release in May 12, 2017.
Once infected, the computer files are encrypted and a prompt demanding payment fo $300 in bitcoin within 3 days or double on the 4th day. It is believed that as of 16 May 2017 at 12:00 UTC, a total of 238 payments and $65,970.35 in bitcoin had been transferred with no one recovering their information
The second cause for the drop in Bitcoin is attributed to expectations that withdrawal restrictions in Bitfinex exchange will soon be lifted. Analyst speculate this has caused Chinese trading volume to drastically increase its share, from 8.2 percent on May 1 to 22.8 percent Monday.
It is important to note that even with the resent decline, this volatile currency had doubled in value since March.