> don't lose that recovery passphrase you've printed out for your hardware crypto key, the flash memory in it is also not eternal

Yeah. Paper is the best long term storage medium, known to last for centuries.

https://wiki.archlinux.org/title/Paperkey

It's a good idea to have a backup copy of the encryption keys. Losing signing keys is not a big deal but losing encryption keys can lead to severe data loss.

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smittywerben 8 months ago | parent | next [-]

> Paper is the best long term storage medium, known to last for centuries.

Carve it into stone if you it need to last longer than the Romans.

	▲	hedora 8 months ago \| parent \| next [-]
		Clay works well. The Rosicrucian museum in San Jose has a cuneiform tax receipt stating that a goat was eaten by wolves, and therefore no tax is due on it. This is similar, from 1634BC, but I don’t know what it says: https://archive.org/details/mma_cuneiform_tablet_impressed_w...
	▲	matheusmoreira 8 months ago \| parent \| prev [-]
		They say M-Discs are analogous to carving data onto stone. I have my doubts though. Searched the web and found posts claiming they are just regular Blu-ray discs now.

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bobmcnamara 8 months ago | parent | prev [-]

Good paper too: low acid content in a low cellulose eating insect environment.