Is the first decentralized peer-to-peer payment network that is powered by its users with no central authority or middlemen.
There is a big drawdown at the crypto-exchange markets since the beginning of the week. Some currencies lost about 20%, even Bitcoin's rate declined. At the same time, new ransomware called "Petya" copies the behavior of WannCry. Virus locks PCs and demands 300$ in Bitcoin for unlock.
WannaCry attack in May and it's Bitcoin request spread panic all over the world. Also, it showed that a lot of institutes and big companies use outdated software, for example, British National Health Service used unsupported Windows XP.
Victims want to get their files back. New users are forced to create wallets. The number of injections in Bitcoin will increase. More money, more willing to buy - above the price. More active users - network utility increases. It is the same as in May, when in a short period of time Bitcoin not only regained its positions, but also overcame the highs.
As mentioned above, it is drawdown now. So buying a cryptocurrency is profitable. Bitcoin now is good for long-term investments. But it will also affect short-term deposits. Some experts talk that Petya, as WannCry, is used for speculations.
WannaCry Spread Map
Large amount of WannaCry attacks drew enough fiat money to Bitcoin, so, this theory has a right to exist. Hackers can use it to earn money on exchange rate fluctuations.
On these charts, you can see the Bitcoin's exchange rate before and during the May's attack.