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df
@df
can farcaster apps that custody a signer revoke the signer themselves without the user having to approve it? if not, may make sense to be possible, for example if an app gets compromised, it should be able to revoke them
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vrypan |--o--|
@vrypan.eth
That's a good idea, and feasible in theory (may require some change in the signers smart contract, to allow an additional revocation address). However, not a good idea today, because this would invalidate everything message signed by the app. Message ordering will fix this, I think.
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vrypan |--o--|
@vrypan.eth
Actually, message ordering could allow an app to self-sign a tombstone message for the signer, without any smart contract changes.
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