The bitcoin to dollar exchange rate fell by more than 10 percent from Sunday to Monday night.

He reduced to 6.65 thousand USD for 1 bitcoin, that is to the lowest level since April. Such a sharp drop was a reaction to reports of a hacker attack on the South Korean Cryptocurrency exchange Coinrail. South Korea is one of the key markets for cryptocurrencies.

The report could also be attributed to Friday's reports of the Wall Street Journal that US regulators are investigating the potential manipulation of cryptoclips on the stock exchanges: Bitstamp, Coinbase, itBit and Kraken, demanding documents from their stock exchanges .

Bitcoin has lost over 20 percent over the past month. against the dollar. Since the beginning of the year, it has weakened by over 50% against the US currency. Counting in the long run, it still brings a very high rate of return to investors. Over the last 12 months, it gained over 150 percent, and for three years 2.8 thousand. percent.

The strong sell-off that Bitcoin experienced at the beginning of the year, however, contributed to a considerable decline in interest in this cryptocurrency among investors. As far as according to the data of the blokchain.info site, on December 14, 2017 (when the bitcoin went towards USD 20,000), there were over PLN 490,000 on the market. bitcoin transactions, on June 10, 2018, there were only 179.8 thousand of them. HK