If cryptocurrencies disappear - how will your life change ?

Let's model one situation - tomorrow morning, all cryptocurrencies cease to exist, there are no blockchains, no crypto exchanges, no P2P exchanges, no gates and other things inherent to the crypto market.
Question - what changes will happen in your life ? Just a request - let's be honest and not make things up, but objectively assess how the “disappearance” of cryptocurrencies can affect us?