Modern trading apps span multiple asset classes. Credit: Alesia Kozik via Pexels. Key Takeaways Modern trading apps increasingly combine multiple asset classes under a single roof. Robinhood and eToro pioneered the first multi-asset retail venues in the 2010s. Today, platforms continue to diversify their offerings. In 2013, eToro made a revolutionary decision to list Bitcoin on its trading platform, which had previously been exclusively focused on foreign exchange (FX) and contract for difference ...