More than half a billion dollars in the NEM cryptocurrency was stolen as a result of cracking the Japanese cryptocurrency exchange Coinchek last week. The incident is qualified as the largest in the history of cybercrime. In this regard, the Japanese Finance Minister Taro Aso (Taro Aso) said the need to audit the crypto-exchange markets, as well as strengthen their management systems. He urged the Financial Services Agency (FSA) to thoroughly check all the crypto-exchange public markets to protect customers. At the same time, the minister stressed, it is necessary to maintain a balance between supporting innovations and protecting users.