I get value from using my AirPods while they last. They make my life better. Cryptocurrencies? Great if you got in at the top of the ponzi, but otherwise not.
Listening to music in strict Islam is considered hurtful and sin. To some people listening to music is as worthless as crypto, or maybe even worse.
Stop whining about crypto being a ponzi scheme. Instead of parroting same points over and over read what ponzi scheme actually is.