Credit Card Company S

Internalizing e-document verification on blockchain

"Samsung SDS’ Nexledger Solution saves us cost and helps secure stability in operation by internalizing the function of original e-document verification based on blockchain, which used to rely on external parties."

Credit Card Company S
Challenge

Korea’s biggest card company that provides card payment as major services creates card application forms and contract with stores collected by credit card salespersons nationwide, which is about 1.7 million set a year. It is, therefore, very important to manage the mentioned e-Documents without any information leak in safe and efficient manners.

Previously, Company S had to pay for service charge through the Authorized e-Document Center in order to carry out the process to verify original documents as a part of document management. As the center is an external organization, there have been some service error risks in operation.

Solution

The Nexledger Solution internalizes the original e-document functions by saving the time stamp information and documents’ own hash values.

Internalizing e-document verification on blockchain

Solution Details

• Nexledger Service API: Digital Stamping
• Nexledger Core: NCA* (Document information and history management (Hash information)))
* NCA: Nexledger Consensus Algorithm

Benefit

As a result of the introduction of Samsung SDS’ Nexledger, Company S was able to save KRW 290 million compared to the time when the company used the external authorized e-document centers. The service error risks risen from external services are also decreased in order to strengthen stability in operation.

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