A look at the collapse of Zondacrypto, Eastern and Central Europe's biggest crypto exchange, which went dark in April and is facing money laundering allegations (Andrew Higgins/New York Times)

Andrew Higgins / New York Times: A look at the collapse of Zondacrypto, Eastern and Central Europe's biggest crypto exchange, which went dark in April and is facing money laundering allegations — The mysterious collapse of a European cryptocurrency exchange helps to explain why the industry hasn't shaken off its reputation as a magnet for criminals.