Let me go to the point trading has to do with either physical market or online marketing also know as digital marketing. On digital marketing trader are likely to use cryptocurrency which can be .
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Just always take note that when you do trading, your capital to use is afford you lose, you don't trade capital that is from someone or you just borrowed or loan with interest because trading is the most risky job in the world, it involves money and once you lose it, difficult to get it back anymore.
Risk management is a must, don't be greedy.