I'm working on a project what requires around 1 to 2kb of data to be stored for ~80 years.

My thinking was a QR code (ECC H) etched into aluminium. Benefits being no bit rot & the assumption being cameras should still be commonplace in 80 years (And if QR isn't a commonly used format anymore, surely an AI agent could easily write an app for the user).

Does anyone have any better suggestions or think I've missed anything.

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[โ€“] 6 points 1 week ago (1 child)

Does it need to withstand fire or the elements? Does it need to survive burial underground or underwater?

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