Patent ID: 11882222
Assignee: THE TORONTO-DOMINION BANK
Field: Digital communication (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 15:
16. An apparatus, comprising:
a memory storing instructions;
a communications interface; and
at least one processor coupled to the communications interface and the memory, the at least one processor being configured to execute the instructions to:
transmit, to a first computing system via the communications interface, a request to modify an element of a local replica of reference data maintained at a second computing system, the request including temporal data associated with the requested modification, and the first computing system performing operations that determine a request time associated with the request based on the temporal data, that approve the requested modification based on a notarization criterion maintained within an element of a first distributed ledger and based on the request time, and that record notarization data characterizing the approved modification within an additional element of the first distributed ledger;
receive the notarization data from the first computing system via the communications interface; and
access the local replica of the reference data, and modify a portion of the local replica of the reference data in accordance with the notarization data.