yeah wrapping my head around what a passphrase with secure and unsecure seed actually was was the most confusing for me as i didnt understand the fact that the key stayed the same no mater what.
So no passphrase the key is written out directly. Same wallet, same words, every time.
With a passphrase, the key gets locked in a box first, then written as words. Different passphrase = different looking words. But it's the same key inside.
