Keepin App by Metadium is now available for download
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Metadium is an ecosystem built on a public identity blockchain.

Our vision is to create a free world through self-sovereign identity

The Self-Sovereign Identity (SSI) model enables individuals or organizations to control the sharing and distribution of their personal data.
I. IDENTITY MODEL
Self-Sovereign Identity (SSI)
The Self-Sovereign Identity (SSI) model enables individuals to not only possess sole ownership over their online and offline identities, but also control the sharing and distribution of their personal data.

Under the SSI model, individuals have the power to own, manage and utilize their identity without intermediary.
CONTROL
Users must control their identities.
CONSENT
Users must agree to the use of their identity.
MINIMIZATION
Disclosure of user data must be minimized.
PROTECTION
The rights of users must be protected.
II. TECHNOLOGY
Blockchain
The best way to implement an SSI ecosystem would be through blockchain technology, which provides individuals with the ownership of their personal data.

Metadium blockchain is a decentralized storage of value. The proofs of each user's verified information will be stored in the Metadium public blockchain, while personal information will be stored only on the user's device.
BUILDING SSI
Metadium blockchain abides by SSI principles of control, transparency, consent, minimization and protection.
III. MERGING ONLINE & OFFLINE IDENTITIES
Claim & Achievement
Metadium allows to merge online and offline identities to create a more complete digital identity. Metadium's Claim & Achievement System is what makes it possible.
ACHIEVEMENT
Achievement is a reward system triggered by a single or a set of claims to foster interaction within the Metadium blockchain ecosystem.
CLAIM
Claims are action based individual attributes designed, verified and issued by network participants.
IV. THE ECOSYSTEM
Platform, Protocol, Service
PROTOCOL
SERVICES
PLATFORM
PLATFORM
PROTOCOL
Metadium's public identity blockchain platform is the foundation for all other Metadium systems.
The Meta ID protocol allows developers to create services that have access to the personal information stored in the Metadium blockchain.
SERVICES
Keepin and more DApps.
Build your DApp and join our ecosystem.
Roadmap
Q1
Mainnet Launch, Keepin v1.0 Release, Listing Announcement
Q2
Keepin v2.0 Release, Domestic Service Expansion & Marketing
Q3
Worldwide Service Expansion,
Service Evolution
Partners
If you are interested in becoming our partner or sponsor, please feel free to contact us.