Stop pressing backspace until you feel safe: Ctrl+U clears the password prompt on the terminal so you can start again.
@mttaggartdoes this work for LUKS whole disk, unlock screen post-POST? but pre-OS?
Librem Social is an opt-in public network. Messages are shared under Creative Commons BY-SA 4.0 license terms. Policy. Stay safe. Please abide by our code of conduct. (Source code)