When people talk about the benefits of bitcoin over Fiat money, one of the biggest advantages is that bitcoin is more secure and the bank has not control over your money. Generally, people talk about the lack of 3rd party.
Give some examples of the problems with banks you have faced that there wouldn't be if cryptocurrencies existed that time.
Some problems with bank transactios we encountered was the waiting for your name to be called by the teller to process your papers , waiting for your line and it takes time to finish such transaction. It tskes also how many days for you to recieve somethinng from your sender. It is also very far away from using bitcoin. It just takes only few minutes for both parties to finish such transaction.