Bitfinex is one of the largest exchanges in terms of daily trading volumes and overall recognition. It was founded in 2012 and it is based in Hong Kong. 72 trading pairs are currently available on the platform. The pairs are linked to the four currencies including USD, EUR, BTC and ETH.
Robinhood is a zero commission US based broker, a financial and technology startup. The company was founded in 2014 and is a member of FINRA. Robinhood is designed with newbies in mind, with no commission trading, a simple registration process, and an intuitive interface. No account minimum means newbies can open an account with no upfront investment and purchase fractional shares for as little as $ 1 apiece.