I've been meaning to commit 12 random words to memory.
I should really get onto it.
Having the xpub to a brain wallet with no funds could prove useful.
Add a strong passphrase and memorize that instead. You can store the seed on steel or a password manager
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I have a strong passphrase.
I'm wanting to have the ability to store Bitcoin in my mind. To be able to exit with my wealth in my head.
This would be a contingency rather my preferred method of long term custody.
Border wallets might what you’re looking for