It most definitely does require a base trust - however that's not an argument against the solution, just a challenge to implementation.
We implicitly trust a tremendous amount of digitized information because we trust its sources - for instance, digital banking works because we trust banks to only log verified transactions to our account. Sourcing that information is absolutely very difficult, but it doesn't mean it can't or shouldn't be done.
We implicitly trust a tremendous amount of digitized information because we trust its sources - for instance, digital banking works because we trust banks to only log verified transactions to our account. Sourcing that information is absolutely very difficult, but it doesn't mean it can't or shouldn't be done.