This is a very good option, but not yet so known for everyone. Many are still afraid and do not know how to use it. In time, bitcoins will become better and corruption will start to flourish.
Well, I ought to disagree with you on that, even though there are still a lot of people who does not know anything about bitcoin, government officials who have a greater tendency to launder their ill-earned money will be one of the many who will be sure to know a lot of bitcoin. Also, people who have a lot of ill-earned money will tend to find ways to hide it to other people so it's not possible for them to know about bitcoin.