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Dear community,

We are happy to share good news with you: MYKEEPiN Alliance has reached 108 member companies. This is relevant to the Metadium blockchain because MYKEEPiN is a personal information management service based on the Metadium Blockchain.

MYKEEPiN Alliance is a DID-based service partnership program launched in April 2020 with the purpose of business model development and commercialization. The Alliance is designed to help corporations, institutions and other organizations to achieve a business model that implements DID.

What differentiates MYKEEPiN Alliance from other DID alliances in Korea is that it has provided real-life services that are already up and…


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Dear community,

In previous posts we introduced THEPOL, a survey and poll service based on Metadium blockchain. With only a few months after its launch the service has earned the trust of different companies and it is now moving into the film industry.

Coinplug + Cine21

Our technical partner, Coinplug, recently signed an MOU with Cine21, a film-specialized online magazine. Through this partnership THEPOL’s technology will be incorporated into Cine21’s film database and network, which they’ve gathered in the last 26 years.

Coinplug stated that the main goal of this agreement is to establish a service that can be developed into a global…


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Greetings from the Metadium team,

We area happy to announce that over a million wallets have been created on the Metadium blockchain. This number was accomplished thanks to the successful development of multiple business related to DID in 2020. Some of these bussiness are:

*THEPOL: a blockchain-based survey and poll platfom using Metadium blockchain. It uses Decentralized Identifier (DID) to provide untampered voting and public opinion polls as well as guaranteeing the voters’ anonymity and data protection. THEPOL have total of 1000+ surveys and polls were created with over 500, 000 users.

* MYKEEPiN: an easy and secure identification service…


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Cashierless convenience store access service based on Metadium DID solution ‘MyKeepin’ is launched.

You can use a cashierless convenience store without the risk of personal information leakage as you can access it only with the mobile phone authentication using the ‘MyKeepin app’. By doing so, convenience stores can safely operate their stores by eliminating the burden of labor costs and reducing the risk of accidents and losses.

Metadium DID-based cashierless convenience store access service was jointly developed by HP Retail, a cashierless convenience store company, CUBOX, a biometric and access security company, and Coinplug, a blockchain technology company, and this…


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CUBOX specializes in AI-based face recognition terminals. The specialty further extends to iris and fingerprint recognition.

We develop non-contact to face biometric authentication technology with CUBOX, which utilizes Metadium DID(decentralized identifier).

Metadium Technology Inc. plans to present a new technology and business model that combines DID with non-contact biometric authentication. Metadium has developed the mobile visiting card for Busan government building using DID technology and this experience will be helpful for developing non-contact biometric authentication.


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‘MagicEco’ operates AI (Artificial Intelligence) and IoT education programs for various college students and job seekers, including the University ICT Research Center (ITRC) of the Ministry of Science and Technology, Seoul Metropolitan Government, Hyundai Motor Group, and SK University, and specializes in technical education for ab out 10,000 people a year.

‘MyKeepin DID(Metadium blockchain)’ is applied to LMS(Learning Management System) used in the AI education of ‘MagicEco’.

With the authentication technology of MyKeepin DID application, we will protect users’ personal information, apply various blockchain technologies to attendance check, electronic contract, and learning history management, and this is the first case of applying blockchain technology to the education industry in Korea.


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Busan is the second largest city in Korea. Its deep harbor and gentle tides have allowed it to grow into the largest container handling port in the country and the fifth largest in the world. The city’s natural endowments and rich history have resulted in Busan’s increasing reputation as a world class city for tourism and culture, and it is also becoming renowned as a hot spot destination for international conventions.

As part of the Busan Blockchain Regulatory-free zone project, Busan Metropolitan Government will launch the “Busan Blockchain Trial App”, Metadium Blockchain Decentralized Identifier(DID)-based mobile identification service for Busan citizens.

Through the app, Busan citizens can use various services such as Busan citizenship card, visiting Busan City Hall, multi-child family card, and mobile payment based on Metadium DID.


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“Mykeepin” is an electronic signature and simple identification service with Metadium blockchain DID and self sovereign identity(SSI) technology.

On May 27th, Metadium announced that Metadium DID login application, ‘Mykeepin’ started to provide fraud information inquiry service. Users of Mykeepin app can check data about fraud and illegal dealing. Organization and company can participate in Mykeepin Alliance to share, validate and leverage data about fraud and illegal dealing.

“Mykeepin” is an electronic signature and simple identification service with Metadium blockchain DID and self sovereign identity(SSI) technology. Through Mykeepin, users can directly experience non-face-to-face authentication and authentication requests without third-party identification service companies.


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The Maeil Business Newspaper is South Korea’s main daily business newspaper. As of 2001, it had a circulation of roughly 900,000. The president of the publishing company is Chang Dae-hwan. The publishing company Maekyung Media Group also hosts the annual World Knowledge Forum.

On April 6th, Metadium announced that voting and survey service THEPOL based on Metadium blockchain has signed a partnership with MBN(Maeil Business Newspaper).

THEPOL users can quote and extract the original MBN’s news and video content when they create survey and campaign. MBN will get efficiently results of poll and survey about various issues. Because Metadium Blockchain…


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On March 30th, Metadium announced that they have released a voting and survey mobile application, “THEPOL”. It was released on Korean AppStore and Google PlayStore. Users can create voting and survey on the official THEPOL website.

The followings are some main characteristics of THEPOL:

  • Nobody can manipulate voting and survey: Since THEPOL records the online voting and survey in Metadium blockchain, no one can manipulate voting or survey results, and anyone can conduct transparent petitiona and survey at a low cost.
  • THEPOL ensures voter’s anonymity using DID: THEPOL uses Metadium’s DID(Decentralized ID) technology to ensure “vote anonymity” that traditional online voting services couldn’t realize.
  • Meta(META) Coni and badge(NFT): The surveyor can pay META coin to surveyee as a reward. By participating in the survey, surveyee can obtain not only META coins but also rare badges(NFT) issued on Metadium blockchain.

Metadium

Creating a free world through self-sovereign identity.

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