Patent ID: 11902456
Assignee: VISA INTERNATIONAL SERVICE ASSOCIATION
Field: Digital communication (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 13:
14. The node computer of claim 11, wherein the network shard is a network reference shard and the node computer is a first node computer and is a current leader of the reference network shard maintaining a first blockchain, wherein a second plurality of node computers in a second network shard maintain a second blockchain, and wherein the method further comprises:
receiving one or more shutdown messages from the second plurality of node computers;
if a number of received shutdown messages of the one or more shutdown messages is greater than a shutdown threshold associated with the second network shard, assigning each node computer of the second plurality of node computers to a null network shard in a node-to-shard table for a present epoch; and
reassigning new transactions from the second network shard to a third shard.