As well as buying crypto using fiat currency, a centralized exchange is somewhere you can store funds and exchange the likes of Bitcoin for other coins and tokens. Examples include Coinbase, Kraken and Binance. Although there is less risk that your funds will disappear if you forget a password or your private key, it’s important to go with reputable providers who have high security standards. That’s because there have been cases where millions of dollars have disappeared from these exchanges overnight through hacking.
A beginner might prefer to trade cryptocurrency stocks on the stock market (GBTC is a trust that owns Bitcoin and sells shares of it; trading this avoids you having to trade cryptocurrency directly). The main Bitcoin stock here in 2018 is GBTC. Be aware that GBTC trades at a premium (meaning bitcoins are cheaper than buying shares of the GBTC trust), which isn’t ideal. Also, cryptocurrency trading is a 24-hour market, where the traditional stock market is not. Learn more about the GBTC Bitcoin Trust and the related pros and cons before you invest.
Never put all your eggs in one basket. Diversify. While the potential to earn more is increased with the amount of money you invest into a coin, the potential to lose more is also magnified. Another way to think about it is to look at the cryptocurrency market as a whole; if you believe that this is just the beginning, then more than likely the entire market cap of cryptocurrencies will increase. What are the chances that this market cap increase will be entirely driven by one coin vs. being driven by many coins? The best way to safely capture the overall growth of cryptocurrency is to diversify and reap the benefits of growth from multiple coins. Also, fun fact — Between January 2016 and January 2018, Corgicoin has increased by 60,000x, and Verge has increased by 13,000x. During the same period, Bitcoin has increased by 34x. While you would have gotten impressive gains from Bitcoin, expanding into other coins could have landed you potentially larger ones.