IMO yes. Picking a pattern is no different than picking a 12 word phrase from a 2048 word list. But the pattern isnt random, Its biased because you can remember the shape.
So the entropy is mostly in the randomized list. If your list gets out then I think you have a problem.
That’s why every deterministic grid comes with a 12-word regeneration mnemonic. It looks and works exactly the same as a bitcoin seed phrase, so can be used a decoy/canary. This improves resistance to evil maid or border guard attacks.
Nice. Ive been thinking about putting this in hardware. Generation on an air gapped handheld with a big enough display. Options to store or not store the grid in a secure element. Any thoughts on this?
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