The digital banking arm of Spanish financial giant Santander Group, Openbank, opened cryptocurrency trading for customers in Germany, with plans to add its home market in the next few weeks. The new service allows users to buy, sell and hold five popular cryptocurrencies: bitcoin (BTC), ether (ETH), litecoin (LTC), polygon (MATIC) and cardano (ADA), according to a press release. The cryptocurrencies are available alongside stocks, ETFs and investment funds. Customers can trade without moving funds to an ...