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Thanks so much for this explanation! And as I said below, sorry for my vague question.As I just mentioned in my other reply below, the specific case that prompted my question was deciding whether sensitive tokens (strings) should be stored in an existing Core Data database, or separately in Keychain.Since both methods involved an SQLite file on the file system, with (potentially) equivalent data protection levels on each file, I was trying to understand in what attack scenarios the latter architecture (Keychain) would make these tokens less vulnerable than the former (Core Data). (I do understand that it's hard to generalize without discussing particular exploits.)