In contrast to paper documents, the evidentiary suitability of electronically signed documents can "disappear" over time. The reason for this is the Loss of security suitability of cryptographic algorithms. In addition, the directories and documents required for checking certificates may no longer be available.
As a result, when archiving digital documents, it must not only be ensured that these can be found at any time are, but also for one possible evidence in court can be used.