- hard to use because governments willfully get in the way
- intrinsically hard to use.
The former is very easy to get around (it kind of being the point of cryptocurrencies in the first place).The latter is a real hard problem for crypto that will require an entire generation to die off (those who can't understand and will never understand that using a 3rd party to manage your money isn't compulsory or even desirable anymore) before things evolve.