The blockchain, which grew out of Bitcoin, is in the crosshail. You've probably heard a lot of "stories" around you. A few bitcoins were later sold for thousands of yuan each (the highest time was 130,000 yuan each), regretting it forever; And after buying more than 10, the hard drive was formatted and the bitcoin was never recovered. What's worse, I invested 100,000 yuan in the morning and only had 3,000 yuan left in the afternoon. One day stir-fry currency, a year stir-fry. Ups an...