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OCA schema bases contain a "blinding_attr" flagging block to enable schema issuers to flag attributes that could potentially unblind the identity of a governing entity.
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The Blinding Identity Taxonomy (BIT) is a defensive tool created for the purpose of reducing the risk of identifying data subjects governing entities within blinded datasets. BIT contains a list of elements to be referred to by schema issuers and data controllers for flagging attributes which may contain identifying information about governing entities. Once attributes have been flagged, any marked data can be removed or encrypted during the data lifecycle.
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