11 if you want to make money by using bitcoin, you should buy a lot of bitcoin on the trading platform, and then sell it in a proper time to earn the difference.
12
Miners dig coal to produce bitcoin in their own computers, or they can dig coal on the client platform to obtain a large number of bitcoins, which can buy goods in real life.
13
Buying Bitcoin can buy Bitcoin at a low price on the trading platform, and then sell Bitcoin at a high price on various platforms that sell Bitcoin.
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Arbitrage Moving Bricks Arbitrage refers to the acquisition of some bitcoins by some means, while moving bricks refers to the interest spread of a set of transactions, so as to obtain profits.