Existing Wording: In particular, there can be no way to differentiate between current and past current resources without having to retrospectively alter resources, which is problematic with regard to intergrity and digital signatures.

Proposed Wording: In particular, there can be no way to differentiate between current and past resources without having to retrospectively alter resources, which is problematic with regard to intergrity and digital signatures.

Comment:

Change "past current" to "past".

Summary:

Change "past current" to "past".