That's the first thing authorities (anyone who has extreme power and chooses to use it conflicting with what others want) would do, which leads to the wars I described, and they would be forced to change their minds by the many countries who have an interest in them not being dictator through the central bank system. This may not happen until more countries notice the change happening in the global economy, but they will eventually learn of it. Since authorities would change their mind after making it illegal, on average authorities don't really want it to be illegal. This is about slavery to money, so don't think it will be ignored when there is a way to end slavery. Its less about technology and more about many countries being the slaves of a few others, and about individual slaves and bank masters. Free the slaves or fight the biggest war in all of history.