This is fixed by creating new services and/or fixing regulation where needed. A good example of that is TranferWise which turned what used to be a horrible fee

This is fixed by creating new services and/or fixing regulation where needed. A good example of that is TranferWise which turned what used to be a horrible fee laden process into something as simple as fairly priced as it can be. Fix the banking system. Make new banks. Whatever. You don't need the blockchain for that.