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TOKYO (AP) — A Tokyo court began hearings Tuesday into charges that the head of the failed Japan-based bitcoin exchange Mt. Gox accessed its computer system and inflated his account by $1 million.
French-born Mark Karpeles was whisked into the Tokyo District Court after arriving in a white car.
Mt. Gox shut down in February 2014, saying it had gone bankrupt after losing about 850,000 bitcoins, possibly to hackers.
Karpeles was arrested in August 2015 and released on bail last year. He has denied wrongdoing. If found guilty of embezzlement, he could face up to five years in prison, or a fine of up to 500,000 yen ($4,000).
People affected by Mt. Gox's failure are still trying to obtain funds they lost and are hoping the trial will help explain what happened.
Mt. Gox's failure stunned the world bitcoin community. Critics said the debacle highlighted the risks of bitcoin transactions, while bitcoin proponents contend Mt. Gox is just an exception.
At the time of Karpeles' arrest Japanese authorities said they were baffled by the Mt. Gox case because they had never dealt with possible crimes involving bitcoins, which are not issued by central banks.
Even though Mt. Gox was one of the biggest digital currency exchanges, experts also said it might be difficult to take action because of the absence of laws over virtual currencies.
In the nearly two years since then, Japan has enacted new laws to regulate bitcoins and other cryptocurrencies, whose use has been rapidly expanding.
One of the country's biggest electronics retailers, Bic Camera, has begun allowing bitcoin payments at three of its outlets in Tokyo.
The government also has spelled out regulations to help prevent misuse of bitcoins and other virtual currencies for terrorism or other illegal activities, including requiring banks and other businesses to verify identities, keep records and report suspicious transactions.
The regulations implemented in April require virtual currency traders to keep customers' assets separate from their own, partly because of the losses suffered in the Mt. Gox bankruptcy
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