Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
David Treat0
Michael T. Chiaramonte0
Giuseppe Ateniese0
Date of Patent
May 21, 2019
0Patent Application Number
161088680
Date Filed
August 22, 2018
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A system includes circuitry for rewriting blockchains in a non-tamper-evident or tamper-evident operation by a selected trusted party during a rewrite-permissive phase for the selected trusted party. During a rewrite-embargoed phase for the selected trusted party, rewrite access may pass to at least one second trusted party in a turn-based scheme. In some implementations, rewrite access may be implemented by controlling access to combination of a turn-control key secret portion with respective key secret portions controlled the by the individual trusted parties. Using the access to combination with the turn-control key secret portion, the trusted parties may preform rewrites to the blockchain.
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