The idea that cryptocurrency replaces banks would be a revolution. This is an alternative to the liquidity process that has been widely accepted around the world.
I don't think crypto will replace the bank, in my opinion crypto's participation in this case is to improve or be the development of technology in banking to manage safer and corruption-free finance
Yes, crypto and blockchains in particular will offer some tools that banks will use to offer or expand their services and only for certain customers (retail customers, I think).