[usrusr]

If we'd want to go all in on mandatory apps it would be possible to create much friendlier lockdown controls than what we have now. For example instead of flat out forbidding access to recreation hotspots like parks it would be possible to ration access so that everybody can enjoy them occasionally but they never get too crowded. This would be completely unfeasible in a paper bureaucracy even outside a pandemic situation, but computers could easily do it. The missing "technology" to do that without also enabling police state is not so much crypto and blockchain (though something along those lines might certainly be part of it) but social achievements like data protection laws and how to enforce them, processes to build trustworthy organisations and so on.