Bitcoin is more safe now than ever before. Now, the problem isn w on the user, about how he/she utilizes it. If someone hackers your wallet,it's your fault, you should have supplied much more safety and extreme caution when using it. Bitcoin will always be risky because it is decentralized and table.o uns
I think both are different and both have nothing to do with each other. Bank are the severe need of the people to save fiat and i don't think there is any chances of bank to disappear until there is fiat. A decentralized btc is not something banks are going to even attempt to work with and it would be worse for both not better. As long as it becomes even more widely accepted banks are not needed but they have nothing to fear from btc and they will never disappear unless forced to or fiat ends in the world.