US 12,250,309 B2
Blockchain notification board storing blockchain resources
Futoshi Iwama, Tokyo (JP); Takaaki Tateishi, Yamato (JP); Shunichi Amano, Katsushika (JP); and Sachiko Yoshihama, Kawasaki (JP)
Assigned to International Business Machines Corporation, Armonk, NY (US)
Filed by International Business Machines Corporation, Armonk, NY (US)
Filed on Mar. 15, 2022, as Appl. No. 17/695,731.
Application 17/695,731 is a continuation of application No. 16/155,385, filed on Oct. 9, 2018, granted, now 11,303,442.
Prior Publication US 2022/0209948 A1, Jun. 30, 2022
Int. Cl. H04L 9/08 (2006.01); H04L 9/00 (2022.01)
CPC H04L 9/0894 (2013.01) [H04L 9/50 (2022.05)] 20 Claims
OG exemplary drawing
 
1. A computing node in a blockchain network, the computing node comprising:
a processor that, when executing instructions stored in a memory, is configured to:
in response to a request to modify a blockchain-based uniform resource indicator (BURI) stored in a distributed ledger of a blockchain of the blockchain network:
store an identification of a modification to be made to the BURI in a data block to be stored in the distributed ledger, and
store the identification in a notification board that is stored in the distributed ledger and is independent of the blockchain;
receive a request from a peer node to retrieve information from the BURI;
in response to the request to retrieve the information,
identify a chaincode ID and a chaincode version that was used by the computing node at a time that the BURI was generated,
re-instantiate the chaincode version, and
access the notification board to retrieve the information using the chaincode version that was instantiated.