public MyController(ITransactionRepository transRepo;
                           IAccountRepository accountRepo;
                           ISystemsRepository sysRepo;
                           IScheduleRepository schRepo;
                           IProfileRepository profileRepo)

 var encryptedConverter = new ValueConverter<string, string>(
               convertToProviderExpression: v => v, // How to save it: Do nothing --> Save it normally in the DB
               convertFromProviderExpression: v => new string(v.Reverse().ToArray()) // How to report it: Show it encrypted to the user
            );

dotnet tool install --global dotnet-ef --version 3.0.0-*

dotnet tool update --global dotnet-ef --version 3.0.0-*