Tokyo police have arrested two people for allegedly stealing $711,000 in Bitcoins from a Tokyo-based crypto exchange.

According to the report, Tokyo’s Metropolitan Police Department’s cybercrime unit arrested Takuma Sasaki and Yuto Onitsuka on computer fraud charges. The two are suspected of stealing 78 million yen ($711,000) from CoinExchange.

The bitcoins were stolen on October 28, 2018, however, the two suspects were arrested on Jan 23, as reported. The stolen bitcoins were remitted to two separate accounts managed by the suspects in foreign and domestic exchanges.

Per the report, the theft was an inside job. Onitsuka was an employee of CoinExchange at the time of the heist. As such, he had access to username and password of the company’s account.

Over the last few years, the crypto space has witness a rise in cybercrimes. According to recent Chainalysis report, 2.8 billion in BTC tainted with crime were laundered through crypto exchanges in 2019.

Chainalysis claimed more than half of those bitcoins were laundered through two industry giants, Binance and Huobi. Despite the fact that BTC transactions are anonymous, they can be tracked, as the records are permanently published on a public ledger.