The issue is it’s reliance on the somewhat centralized internet access which is controllable by governments. Mesh and satellites might reduce this. Maybe even

The issue is it’s reliance on the somewhat centralized internet access which is controllable by governments. Mesh and satellites might reduce this. Maybe even ham radio. You don’t need to send much data to send a crypto transaction so sending it using an audio modem on a low frequency is probably fine. There are also crypto notes being developed which is an interesting development.