Too Long; Didn't Read
One of the difficult things about crypto in its current state is that investors usually need to use multiple exchanges. Some exchanges offer fiat entry with a limited selection of coins, others offer a wide variety of coins but only once they have established longevity in the market, and others strictly offer new, unproven coins. At the moment, the taxonomy of exchanges contains three main categories: fiat exchanges, centralized crypto exchanges, and decentralized crypto exchanges.