If one of these is what you meant, I can provide a detailed look into it. Alternatively, if "dedigrkzip" is a specific niche term, code name, or from a particular book or game, please provide a bit more context so I can look into it further for you.
A digital privacy process used to remove personal identifiers from data sets so that the individuals whom the data describe remain anonymous. dedigrkzip
A file format used for data compression and archiving. If one of these is what you meant,