so many choices of coin if you want to trade, my suggestion you choose coin which have many in trading in exchange, you can see website to know coin is good or not
Yes, today, you can choose at least 1600 coins. LOL. Of course, the safest way here is to get the most stable, well-known cryptocurrencies like Ethereum, Bitcoin, DASH, and NEO. However, Gladius and Credits are also good.
Most safe ones are LTC, BTC, ETH and NEM on the exchange platforms. The rest are not that safe. For example, ripple is never safe for trading. It's always problematic with confusing supply.