Don't use the thinking patterns of Buffett and Duan Yongping to speculate on currency. No one is right or wrong, it's just inappropriate. Buffett and Duan Yongping's value investing is correct, but it is not suitable for most of us. Their capital size is already large enough, and achieving a compound annual return of around 20% is already extremely excellent. For them, the first priority is stability, followed by profitability. Especially Buffett, Berkshire Hathaway's capital size has reached a point where it has already changed the rules of the game, which cannot be learned just by watching a few Buffett videos. If we want to turn the tide in cryptocurrency trading, we need to make more profits in a bull market, several times or even dozens of times, and try to minimize losses in a bear market. Don't mess around. These two are completely different ways of thinking, so it's normal for Buffett and Duan Yongping not to look at things like Bitcoin and Ethereum. Using their mindset to speculate on currency will lead them into a pit.