Foreword“Over the past few months, the FOMO atmosphere in crypto space has been very strong. With the impact of various institutions and the richest billionaires investing in Bitcoin, the coin has successfully broken through $60,000, and is constantly pushing for higher prices.” “This kind of feeling is really complicated. With four years of experience in crypto space, although I didn’t quite achieve the goal of full financial freedom, it is still very worth getting in on the value of a block...