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Even if you safely generated the seed, you might still put it at risk without even
knowing:

=over

=item * If you opened a file with a program, it might have saved a draft copy somewhere

=item * Even if you deleted the file, it may still stick around in Trash

=item * Some systems may synchronize contents of a directory with the cloud

=item * If you forget your password, there's no way to recover it

=back