System for data archival in a blockchain network and a method thereof

Abstract

The present invention envisages a system (100) for data archival in a blockchain network (20). The blockchain network (20) comprises a plurality of participating nodes, each categorized either as an archiver node (A1-A3) or a non-archiver node (N1-N3). The archiver nodes (A1-A3) maintain a database (102) comprising transaction data corresponding to all block creation events and corresponding transaction IDs. Each of the non-archiver nodes (N1-N3) comprises a data management module (104) which maintains an archival ledger (106a) comprising transaction data corresponding to a partial list of block creation events and corresponding transaction IDs. The data management module (104) receives a request for querying a transaction from a requester-non-archiver node, checks the archival ledger (106a) to determine whether the queried block is discarded or not, and retrieves and returns the transaction data from one of the archival ledger (106a) and the database (102) based on the determination.

CPC Classifications