Perhaps it can also change how we send money, pay with phones, and use some financial services?
Let's discuss and see if blockchain can work for these uses.
Literally this is called as crypto currency, did you missed the basics while trying to get into the trends whether its ICO, Defi, NFT or whatever. Or you're asking is there any way to send the existing fiat money via blockchain?
If it's later that's what CBDC which is created by government, centralized but instead of bank it uses blockchain mechanism to send and receive funds but still you need bank account to redeem the CBDC to fiat or vice versa.