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I suspect that depends on the chosen stored medium. I am assuming perhaps incorrectly that we could find a medium more durable than genetic material with known degeneration rates.

The first thing that comes to mind is the fictional society from the planet Krypton. They stored data in crystals, likely artificially created diamond material. I suspect we could do this today without consideration for cost.

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Sorry if my parent comment came of antagonistic.

I was really just asking.

Either way there must be advantages in multiple backups: - DNA - Digital sequence - Crystals - Stone etching

Even with different decay rates they won't all decay in the same way. We can diff multiple records and reproduce a probable original.

(I think - I'm not expert in digital storage or the mechanics of DNA)

As far as I'm aware stone doesn't erode in space, so we could always just laser in bumps on a stone and read it like a CD. The primary concern then becomes avoiding getting hit by micro debris.

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