In that case, you can use services like LocalBitcoins about which I told you in the introduction. But if you do live in one of those states, Robinhood Crypto is a great option to get started in Bitcoin or Ethereum trading. The site claims more than one million customers in countries. CoinExchange offers a huge number of coins on its platform, perhaps the biggest lists of coins supported by any platform on this list. Square is a huge financial technology company that includes many other services. Bitcoin ATMs are a good way to buy bitcoins if you have one near you.