Turn on CopyPaste mode, hover over a cell, press Ctrl+C to copy, Ctrl+P to paste, Ctrl+X to cut cell value. CopyPaste mode is auto-disabled when any control receives focus. Hold Ctrl to highlight source/target cells.
Create custom table list view. Each view can have custom tables order, hidden tables, separators
Read more about data encryption here
Read more about keys here
Read more about validation here