Give me a list of things that pose a challenge to cryptos
1) Crypto is an invention that has yet to find a real life purpose. Bitcoin narrative has changed from a peer to peer payment processor to now being store of value.
2) Crypto also is banned in several countries. That is a challenge with wider adoption
3) Crypto is also bound to a regulatory event that could bring it to grinding halt
4) There's also a growing concern around energy consumption of them mining rigs.
5) In recent events, the demise of major crypto exchange like FTX has also lead to poor optics
Instruction: Give me a list of things that pose a challenge to cryptos
Context: 
Response: 1) Crypto is an invention that has yet to find a real life purpose. Bitcoin narrative has changed from a peer to peer payment processor to now being store of value.
2) Crypto also is banned in several countries. That is a challenge with wider adoption
3) Crypto is also bound to a regulatory event that could bring it to grinding halt
4) There's also a growing concern around energy consumption of them mining rigs.
5) In recent events, the demise of major crypto exchange like FTX has also lead to poor optics