In contrast to Forex or stock markets, crypto industry have much more risks for traders and investors including scam exchanges, hacker attacks, delisting of tokens and the others. Cryptocurrency market is volatile and coins have no underlying value meaning they may cost either $100,000 or $0 depending on demand and supply. Nobody can predict today the price of Bitcoin for several years.
Coinbase/GDAX will want more personal information than you’ll feel comfortable giving them; there is no way around this. The more information you give them, ID, Bank account, credit card, etc., the higher your limit and the less restricted your account will be. Don’t let this scare you off from becoming a cryptocurrency investor. Every other exchange user went through this process; you have to also. Since you have to trust someone, Coinbase/GDAX is a good bet.
Ethereum'is on the trouble! Almost all the altcoins trades above the major counter-trendline but Ethereum'is not on the list anymore. It has a break downwards from the trendline and from the strong area which is not the good sign but we can find something positive also, currently, it has an opportunity to make a new higher low on the market structure and it shows ...
If your focus is to conduct crypto-to-crypto trading, Binance is one of the best options. Ranked as one of the most popular cryptocurrency exchanges worldwide, they provide you with impressive offerings along with an extremely low trading fee. Although the Binance platform is a young entrant into the market, it is rapidly growing, and holds a huge selection of altcoins with Bitcoin, Ethereum, and Tether pairings.
If you choose to keep some stored on an exchange or a website such as Coinbase, then ensure you complete a full security setup and ALWAYS setup Two Factor Authentication, I recommend using Google Authenticator for this and not SMS Two Factor Authentication as your phone can be compromised by hackers. Google Authenticator creates a random number string each time you log in to protect yourself in case someone can get hold of your username and password.
Always pay attention to Bitcoin. Most altcoins (every cryptocurrency except Bitcoin) are pegged more closely to Bitcoin than Asian currencies were to the USD during the Asian Financial Crisis. If Bitcoin price pump drastically, altcoins price can go down as people try to exit altcoins to ride the BTC profits; inversely, if Bitcoin prices dump drastically, altcoin prices can go down, too, as people exit altcoins to exchange back into fiat. The best times for altcoin growth appear when Bitcoin shows organic growth or decline, or remains stagnant in price.