Background: In March,2020,Guo Wengui listed a brand-new digital currency-G coin in Apple Store. On the live broadcast platform, Guo Wengui declared that it is a brand-new decentralized currency and the world's only gold standard currency except sovereign currency, which is part of its creation of "G Ecology", and said that "G currency can be circulated all over the world in the future, and used fo