You can get a basic idea about trading by watching videos on YouTube. But you have to start first and gradually increase your experience. You can choose any one trading site. Then keep an eye on that site all the time. Gradually you will understand for yourself what will happen once. My advice would be to open an account on the Binance site then keep an eye on all types of cryptocurrencies. One day you will become an expert yourself.
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Among the numerous trading strategy on youtube I also encourage the OP to choose one or two of the strategy and work on it while utilizing a trading stimulator to practice consistently until profit making is more than losing ones thereafter he can open account with Binance in a bid to go live however always trade with the amount of money you can afford to lose.