Is Coinbase legit in USA?

Yes. Coinbase complies with all applicable laws and regulations in each jurisdiction in which it operates . United States Coinbase, Inc., the company which operates Coinbase and GDAX in the U.S., is licensed to engage in money transmission in most U.S. jurisdictions.

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Do I have to buy a whole Ethereum?

To purchase Ethereum, enter its ticker symbol—ETH—in your exchange’s “buy” field and input the amount you want to buy. If you don’t want to buy a whole Ethereum token or don’t have enough money in your account for a full coin, you can purchase a fraction of one .27 Tem 2021

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