Like most things crypto, the initial promise is that is fixes everything (like you initially wrote), but when you dig into it, the reality is that it's often no

Like most things crypto, the initial promise is that is fixes everything (like you initially wrote), but when you dig into it, the reality is that it's often not cheap, often not quick, often not portable, often not anonymous, often not safe, often not unrestricted from confiscation. And it introduces all kinds of concerns as well: losing keys, fraud, insecure wallets, exchanges that lose your funds, ransomware, etc Crypto has utility, yes. But it is far from a panacea and actually does not "fix" many of the problems its supporters claim it does.