Patent ID: 11962681
Assignee: EXPERIAN INFORMATION SOLUTIONS, INC.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 9:
10. The system of claim 1, wherein the one or more computer processors are further configured to:
identify the set of records stored in the distributed electronic ledger including a value in respective unencrypted metadata portions;
for individual records in the set of records:
(i) retrieve a master encryption key from a master encryption key store based at least in part on unencrypted metadata of an individual record, wherein the master encryption key store stores a plurality of master encryption keys associated with respective client devices;
(ii) decrypt a second portion of the individual record using the master encryption key to obtain an individual internal encryption key;
(iii) decrypt a third portion of the individual record using the individual internal encryption key to obtain individual record payload data; and
(iv) validate the individual record payload data.