[freejulian]

> So, it's not spent from your wallet?

Huh? I think this comment shows you don't know what a hardware wallet is. When I spend bitcoin, I spend it using my hardware wallet.

> If it can be used to gain access to your wallet, then how is writing it down safe?

You need a passphrase along with the security words to figure out the private key. Passphrase = something long that I can easily remember.