The upside of this is that if you want to very quickly destroy your data, all you need to erase is the master key securely. This is true for LUKS on Linux as w

The upside of this is that if you want to very quickly destroy your data, all you need to erase is the master key securely. This is true for LUKS on Linux as well. Destroy the LUKS header, you data is now forever gone.