Yes, it is true that Bitcoin is changing a civilization in the world. Many of them made a lot of profit from Bitcoin and became rich and rose from the economic downturn. Talking about justice may not be appropriate, because investors with small capital compared to those with large capital will actually benefit those with large capital. There is no justice but there are strategies to reap profits also for investors with small capital. So at this time first due to the covid-19 pandemic, many people are members of cryptocurrency.