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Thursday, 4 July 2019, 13:06 HKT/SGT
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Source: Fujitsu Ltd
Fujitsu Develops Digital Identity Technology to Evaluate Trustworthiness in Online Transactions
New tech enables safer online transactions by confirming trustworthiness of personal credentials

KAWASAKI, Japan, July 4, 2019 - (JCN Newswire) - Fujitsu Laboratories Ltd. has developed a digital identity exchange technology that makes it possible for individual users and service businesses involved in online transactions to confirm the identity of other parties in transactions.


Process of distributing credentials with the new technology




The rapid advance of digitalization in recent years has been accompanied by a dramatic rise in the number of online transactions in which users cannot see one another face to face, making it difficult to judge the credibility of the other party and leading to heightened concerns around trust. With reports of fraud and instances of people falsifying personal credentials like work history and professional qualifications growing increasingly prevalent, ensuring the circulation of high-quality, reliable identification data poses an urgent challenge to users and businesses alike.

To address this, Fujitsu Laboratories has developed technology based on a Decentralized Identification (DID) utilizing blockchain that analyzes the risk of falsification and the trustworthiness of the other party's personal credentials when a user conducts a transaction online. The new technology achieves this through a mutual evaluation of the users when a transaction occurs, and by inferring the relationships between users based on past transaction data.

Fujitsu's new digital identity exchange technology promises a future in which people can enjoy online services more safely, offering user-friendly features including graphics to visualize the relationships between users, as well as a unique "trust score" that make it easier to determine each user's trustworthiness before starting a transaction.

Background

In recent years, there has been an increase in new forms of business based on trust between people or companies, including sharing and matching services. In these sorts of digital businesses, it remains crucial to accurately convey the identity of the other party in the transaction. There are now ongoing discussions around the use of blockchain technology in these kinds of transactions as a form of decentralized identification that accurately discloses each party's identity to the other parties, as guaranteed by an impartial third party.

Issues

DID is a system in which a third party guarantees the accuracy of a given individual's identity and personal credentials. If a service business or user conspires with a third party acting in bad faith, however, it is possible to falsify a person's history or credentials, creating the risk that this falsified information will spread very widely without being discovered. Moreover, as the number of users who utilize these services increases, it becomes more difficult for users or a third party to grasp what sort of people the other parties are, increasing the possibility of maleficence. This necessitates a system whereby users can evaluate for themselves the truthfulness of the identity of the other parties in the transaction.

About the Newly Developed Technology

Expanding on its past use of blockchain technology, Fujitsu Laboratories has developed a new digital identity exchange technology for safely circulating personal credentials in a form that enables users to confirm the trustworthiness of the other party, drawing on factors including the status of previous transactions and evaluations by users who had engaged in transactions with the party in question, as part of a decentralized identification system.

1. Generating Trustworthy Transaction Data
With Fujitsu's new identity exchange technology, evaluations (e.g. reputation and rating) for each user in a transaction are recorded as a series of transaction data. By storing these evaluations on the unfalsifiable distributed ledger of a blockchain, this system can improve the reliability of insights into the trustworthiness about each user.

2. Analyzing Relationships of Trust
This system converts the trustworthy transaction data about individuals shared on the blockchain into a graph structure so that the relationships between users can be understood. A trustworthiness score is attached to each user by weighting factors including how many trusted users evaluate them highly. Even if a user colludes with a third party to improperly raise their evaluation, the graph-structured relationships will reveal information such as the weakness of their relationships with other users, giving the system the potential to identify misrepresentations.

3. Disclosing Necessary Information Only
Users can have their credentials verified with only a partial disclosure of relevant data, allowing for safe and highly-reliable transactions without forcing users to offer unnecessary personal details.

Effects

The newly developed technology analyzes the trust relationships of each user, allowing the system to preemptively determine the trustworthiness of the other party in a transaction. The newly developed technology allows users to easily confirm information about which companies and individuals can be trusted in transactions in a variety of digital business situations, helping to build a digital ecosystem that transcends the boundaries of companies and industries and makes safe and secure online transactions a reality for all.

Future Plans

Fujitsu Laboratories will continue to develop IDYX as a trust-based service platform supporting digital business, conducting trials in a variety of fields, beginning with the finance industry. In addition, Fujitsu aims to implement this technology during fiscal 2019 as a new functionality in its Fujitsu Intelligent Data Service Virtuora DX Data Distribution and Utilization Service, a cloud-based solution for data utilization powered by blockchain technology.

About Fujitsu Laboratories

Founded in 1968 as a wholly owned subsidiary of Fujitsu Limited, Fujitsu Laboratories Ltd. is one of the premier research centers in the world. With a global network of laboratories in Japan, China, the United States and Europe, the organization conducts a wide range of basic and applied research in the areas of Next-generation Services, Computer Servers, Networks, Electronic Devices and Advanced Materials. For more information, please see: http://www.fujitsu.com/jp/group/labs/en/.


About Fujitsu Ltd

Fujitsu is the leading Japanese information and communication technology (ICT) company offering a full range of technology products, solutions and services. Approximately 130,000 Fujitsu people support customers in more than 100 countries. We use our experience and the power of ICT to shape the future of society with our customers. Fujitsu Limited (TSE:6702) reported consolidated revenues of 3.9 trillion yen (US$35 billion) for the fiscal year ended March 31, 2020. For more information, please see www.fujitsu.com.

Contact:
Fujitsu Limited
Public and Investor Relations
Tel: +81-3-3215-5259
URL: www.fujitsu.com/global/news/contacts/


July 4, 2019 13:06 HKT/SGT
Source: Fujitsu Ltd

Fujitsu Ltd (TSE: 6702)

Topic: Press release summary
Sectors: Cards/Payments, Enterprise IT, Security
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