Patent ID: 11893577
Assignee: COINBASE, INC.
Field: Digital communication (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 7:
8. The method of claim 1, further comprising:
removing an EUD from the plurality of EUDs;
identifying whether a remaining number of EUDs in the plurality of EUDs is greater than or equal to the quorum number;
based on identifying that the remaining number of EUDs is greater than or equal to the quorum number, delete, for the removed EUD, a corresponding SEK and a corresponding cryptographic key share;
based on identifying that the remaining number of EUDs is less than the quorum number:
add a new EUD to the plurality of EUDs;
re-assign an operator key, previously associated with the removed EUD, to the new EUD, wherein re-assigning the respective operator key comprises:
transferring the respective operator key to a respective HSM for the new EUD; and
updating an indication, for an encrypted SEK corresponding to the respective operator key and identifying the removed EUD, to identify the new EUD.