The KeePass password manager and many variants support key files to enhance the security of your encrypted vault. It's usually an XML file with builtin hash integrity, a 32-byte binary file, or a 32-byte ASCII-encoded hex string. But these are boring.
KeePass, KeePassXC, and many others support any file type. So long as the file is unique and sufficiently secure to be used as a secret cryptographic key, it'll work. So why not have some fun with it?
Below is a random selection of 36 Password Runes from 60 double-sided tiles. See this security analysis for more details.
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