As of today, Aug. 6th, 2018, users of Robinhood Crypto can now invest in Ethereum Classic ($ETC), commission-free. In addition to being able to invest in ETC, users of Robinhood Crypto can now invest Bitcoin ($BTC), Ethereum ($ETH), Bitcoin Cash ($BCH), Litecoin ($LTC), and Dogecoin ($DOGE), as well as track market data for 10 other cryptos. The app is currently available in 19 states.