Dual currency investment will not be updated in the future, mainly to share with you an investment idea of the main large currencies during the volatile period of the market (Bitcoin). There are many ways to make money, and a variety of ways can also be interspersed, the focus is to predict and execute (execution is very important), if you can't predict, give priority to the strategy (choose a safe strategy that you can execute best), and if there is an emergency in the market and deviate from expectations, you need to test your on-the-spot reaction ability.