What it mostly provides is a revocation mechanism, which in itself is relatively powerful. On top of that, there is the notary mechanism which further strengthe

What it mostly provides is a revocation mechanism, which in itself is relatively powerful. On top of that, there is the notary mechanism which further strengthens the option of creating a digital immunity system. The main issue is the balance between security and usability, which is not something that is perfectly solved within a single decade.