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make explicit that key share holders can break unlinkability

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Conrado Gouvea 2022-07-22 14:44:06 -03:00
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zip-frost.rst
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@ -96,7 +96,8 @@ With those considerations in mind, the threat model considered in this ZIP is:
the unlinkability property). A rogue Coordinator will be able to break
unlinkability and privacy, but should not be able to create signed transactions
without the approval of `MIN_SIGNERS` participants, as specified in FROST.
- All key share holders are also trusted with the privacy of the transaction.
- All key share holders are also trusted with the privacy and of the transaction,
thus a rogue key share holder will be able to break its privacy and unlinkability.
A future specification may support a scenario where individual key share
holders are not trusted with it.