Since the world's sixth most valuable company Facebook announced that it changed its name to Meta, the concept of Metaverse has become mainstream. In fact, the meta universe is nothing new. About 30 years ago, the author Neal Stephenson first coined the term in his seminal science fiction novel Snow Crash. Ernest Cline's "Ready Player One" (Ready Player One) further popularized the idea of ​​parallel virtual reality where individuals can play and socialize remotely. This novel was t...