(2) Go on sale after July as the service that contributes to new workstyle in the New Normal with supporting remote working, operational efficiency and cost reduction TOKYO, Mar 3, 2021 - (JCN Newswire) - Hitachi, Ltd. has announced that it has developed the Hitachi Electronic Signature Service, which implements secure electronic contracts based on blockchain (distributed ledger) technology. The Service digitizes the signatures and seals of paper documents such as contracts exchanged between companies, and promotes to eliminate personal seals. The use of blockchain guarantees the authenticity of signature information and improves resistance to data tampering. The Service provides stable system operation by using the Hitachi Blockchain Service for Hyperledger Fabric for its blockchain platform. The Hitachi Blockchain Service for Hyperledger Fabric is suitable for transactions between multiple corporations and has also been used for traceability systems in inter-company supply chains. The Service will contribute to the establishment of a new sustainable way of working in the age of the New Normal with supporting remote working, operational efficiency and cost reduction.