https://www.reuters.com/article/us-japan-cryptocurrency-q-a/the-coincheck-hack-and-the-issue-with-crypto-assets-on-centralized-exchanges-idUSKBN1FI0K4 >Hackers have stolen roughly 58 billion yen ($532.6 million)from Tokyo-based cryptocurrency exchange Coincheck Inc, raising questions about security and regulatory protection in the emerging market of digital assets.