Asymetric crypto is all about this. The only difference between the key holder and a third party is a time factor. Another exemple is the rationale for EU priv

Asymetric crypto is all about this. The only difference between the key holder and a third party is a time factor. Another exemple is the rationale for EU privacy laws. It was fine to have your history in newspapers or judicial archives, as searching for them was prohibitive. But having it searchable through computers makes it trivial for would-be employers, neighbours, etc. to find out about you, transforming any small misdemeanour in a lifetime sentence.