In the cryptocurrency world, you must learn to control your emotions, stay calm regardless of ups and downs, and keep a steady mind like an old dog. The cryptocurrency world is like a roller coaster, sometimes going up to the sky, sometimes going down to the ground. You must be able to withstand the excitement of ups and downs, not be tempted by temptations, and not be discouraged by setbacks. In short, those who can thrive in the cryptocurrency world have all been tempered and have a great mentality.