Bitcoin
Bitcoin

South Korean cryptocurrency exchange Coinrail said it was hacked over the weekend, sparking a steep fall in bitcoin amid renewed concerns about security at virtual currency exchanges as global policy makers struggled to regulate trading in the digital asset.

In a statement on its website on Monday, Coinrail said its system was hit by “cyber intrusion” on Sunday, causing a loss for about 30 percent of the coins traded on the exchange. It did not quantify its value, but in an unsourced report local news outlet Yonhap news estimated that about 40 billion won ($37.28 million) worth of virtual coins were stolen.

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The heist at Coinrail, a relatively small South Korean cryptocurrency exchange, sent the price of bitcoin tumbling to two-month lows as it once again highlighted the security risks and the weak regulation of global cryptocurrency markets.

South Korea is one of the world’s major cryptocurrency trading centers, and is home to one of the most heavily trafficked virtual coin exchanges, Bithumb.

On the Luxembourg-based Bitstamp, bitcoin BTC=BTSP was last trading at $6,790.88, down a sharp 10.8 percent from Friday, having fallen roughly 65 percent from its all-time peak hit around mid-December 2017.

Reuters reported that investors and regulators were jolted earlier this year after Japan’s cryptocurrency exchange Coincheck was hacked in a high-profile theft of over half a billion dollars worth of digital currency.

In 2014, Tokyo-based Mt. Gox, which once handled 80 percent of the world’s bitcoin trades, filed for bankruptcy after losing bitcoins worth around half a billion dollars. More recently, in December last year, South Korean cryptocurrency exchange Youbit shut down and filed for bankruptcy after being hacked twice.