Should this Idea be carried out, it going to bring down the banking and financial system of France.

They may introduce limits and find ways to deal with the problem, but that would most likely escalate the current tension to another level.

Of course this will happen and some local banks might even shutdown.

In a way, this move is good for Crypto and some extent their protest or anger to the point of never having anything to do with banks. As such, they might look for other alternatives and it is at this point that Cryptocurrency comes in to play.