How is The Development of Cryptourrency in 2018?

In 2017 Bitcoin prices continue to rise to reach its highest price at the end of 2017, but it did not last long when entering 2018, Bitcoin prices began to decline drastically, you can see on the graph that I show in the form of BTC / IDR.

On the chart above the Bitcoin price rises steadily until December 2017 and reaches the highest number of 7/12/2017, can be seen from the daily chart above. Then from the 8th of December, the price drops back as shown in the chart below.

On 6/01/2018 the price had tried to get through one of the daily bases, but the trading sell was stronger so the price dropped back quickly as shown below. Until now the price of Bitcoin cannot be ascertained whether to go back up this month or not.

What is the cause of the Cryptocurrency price drop?

If viewed from the annual chart, the price of bitcoin at the beginning of the year tends to decline, Will the price of Cryptocurrency will rise again in 2018? We will see in the next few months.