(1) The green and blue colors on the bitcoin symbol are the colors of vegetation and water bodies illustrating that bitcoin is going global.
Bitcoin has already gone global, if it hasn't gone global, some countries that have wrong understanding about it will not ban it, countries that understand good about it will not support it. It is because it has gone global that makes it the talk all over the world, there is no country in the world now that majority of its citizen will not know bitcoin, even if the major are not using it, bitcoin news is also all over the internet now.
The exact number of Bitcoin users around the globe is hard to calculate because many people keep their money in private wallets and do not reveal their identity. So yes, Bitcoin has been adopted worldwide already.
Yet, some central bankers seem determined to stop this from happening.
As the world of finance changes, Bitcoin acceptance faces a problem. Central bankers have convinced themselves that virtual currencies are a threat to their monopoly on money.
Because of mutual interests, that sentiment spreads to government officials as well. Instead of embracing cryptocurrencies, officials are threatening to make Bitcoin illegal. This sudden opposition to an invisible peer-to-peer network has led to a wave of panicked opinion articles on the internet. But, the thing about Bitcoin that most government officials are overlooking is that it doesn’t need government approval. This is where the term decentralised cryptocurrency comes from and it basically means it has no central authority that can manipulate it and no intermediary that can be manipulated.