Portuguese commercial banks are shutting down the accounts of crypto exchanges because they want to avoid the potential for criminal activity through those exchanges. And even though the exchanges are licensed to operate in Portugal, the banks can basically do what they want when it comes to shutting those accounts. Last week, Portugal’s largest bank, Banco Comercial Português, and Banco Santander (SAN) closed Portuguese crypto exchange CriptoLoja’s accounts. The exchange is no longer allowed...