For many, the first benefit of entering the blockchain and cryptocurrency world could be economic gain. (1) car: a vehicle for carrying personnel (2-9 persons) and their carry-on items and their seats are arranged between the two axes “With the government-commissioned Taylor Review noting this abuse, we’re hopeful that 2018 will be the year of action on fair pay for agency workers.” (1) spiritual gain -- spiritual satisfaction; The largest increase in the number of global blockchain participants has been so far Network planning technology was developed and developed in the United States in the late 1950s. This approach includes a variety of web-based methods, such as critical path method, planning review technology, combined network method, etc.