Crypto actually has all of the same fundamental flaws the person you are replying to claims it liberates people from, they just take slightly different forms.
As you mentioned, like any currency its worth whatever people collectively believe that its worth and nothing more.
And on top of that, while it may not be tied to a singular government like the USD, it is heavily tied to being used in a place with operational telecomm and electricity infrastructure, which requires a functional societal order that the "military and economic strength" the original reply was talking about provides.
As you mentioned, like any currency its worth whatever people collectively believe that its worth and nothing more.
And on top of that, while it may not be tied to a singular government like the USD, it is heavily tied to being used in a place with operational telecomm and electricity infrastructure, which requires a functional societal order that the "military and economic strength" the original reply was talking about provides.