Gemini is a cryptocurrency exchange and custodian that allows customer to buy, sell, and store crypto. Gemini allows you to fund your account with dollars, trade dollars for crypto, and trade crypto to crypto.
To learn more about Gemini, see Gemini.com.
NOTE: I’ve been in the crypto space long enough to know that Gemini is clearly a reputable exchange. However, I have not done a full review so don’t want to go into detail here until I do.