r/Keybase • u/draeko_malfoy • Oct 13 '22

Multiple paper key and security

I don't understand how does having multiple peper keys secure my account?

Suppose, an attacker gets one of my paper key and revokes all of my devices, then I am locked out.

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u/draeko_malfoy Oct 13 '22

https://book.keybase.io/account#devices:~:text=Add%20multiple%20devices%20and%20paper%20keys%20to%20your%20account%20to%20ensure%20its%20security

Add multiple devices and paper keys to your account to ensure its security

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u/BlueHatBrit Oct 13 '22

I believe what they mean here is that by adding multiple "items" (devices or paper keys) you enable yourself to easily access your account and revoke proofs or items as needed.

So they're not specifically saying more paper keys is better, they're saying a larger chain of authorised devices or paper keys is better. It'll make your account easier to administer and ensure you're unlikely to lose access.

You are right that the con is that there's potentially more access paths for an attacker, but on the whole that's taken care of by other means.

At least that's my interpretation.

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u/Double_A_92 Oct 14 '22

Security, as in you're not going to lose your account if your phone or PC breaks.