Uniswap exchange is not a basic crypto trading exchange from where you can buy, sell, or swap cryptos. However, being an existing user on the Uniswap exchange, you may know how it works and what does it offers users. Well, there are a lot of users across different countries that might be facing some difficulty while using some features on this exchange.. With Gemini Exchange, you fully own your crypto and can transfer it off the exchange at any time. You can earn interest: Through Gemini Earn®, users can earn interest on their crypto holdings. Many exchanges don't offer interest on Bitcoin and other cryptos, so this is a big plus of buying on Gemini.