Disagree. There has been a lot of talk for a long time, but when you get down to the mechanics of implementation, it is virtually impossible without posing great risk to the public.
Personally, I think it is really a dumba$$ thing to do to walk around without $150+ in your pocket. It has gotten me out of difficult circumstances several times.
It wasn't possible before advanced computers and internet, now it is possible, simple as that.
They will promise to put drug dealers, banks and crooked politicians out of business that will be the hook. I don't particularly approve just know that it is coming with or without my approval. Of course barter will always be available until your children are fully trained to fink you out.