Since the world by market capitalization ranked sixth in Facebook announced that the company will brand since changed its name to Meta, meta universe concept (Metaverse) has become mainstream. In fact, the meta universe is nothing new. About 30 years ago, writer Neal Stephenson coined the term in his science fiction novel " Snow Crash "; after that, writer Ernest Cline's science fiction novel " Ready Player One" further popularized the concept of parallel virtual reality so that individu...