You can trade bitcoins on popular and trusted exchanges like Binance, Bittrex, Poloniex, KuCoin, etc. All you need to do is create an account, get it verified and buy some bitcoins. Then you are ready to trade! You can also trade for other cryptocurrencies like Ethereum, Ripple, Litecoin based on pairs permitted on the exchange you chose to trade. There are analytics tools available which help you decide to frame your trading strategies. Do check last 7 days performance before moving further.
P.S. Firstly set up your own bitcoin wallet before commencing the trade. You cannot have large balances hanging on an exchange as they are vulnerable to hackers attack.
Cryptography & Bitcoin Consultant @ encrybit.io
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