Beyond digital identity,
meet the new era
A compliant, EVM-compatible blockchain built around self-sovereign identity, now converging with AI to bring Web2 users into Web3.
MetaArena
Skill-based gaming tournaments where performance equals reward
Entry fees, rankings, and prize payouts are all handled automatically by smart contracts. No operator delays — winners get paid instantly, on-chain.
What is Metadium
Metadium has been providing solutions that enhance trust and transparency based on blockchain and Decentralized Identity (DID) technology. As AI technology rapidly advances, a new paradigm is required. In response, Metadium is integrating AI with blockchain to evolve into a platform that offers more intuitive and scalable services.
Traditional blockchain has encountered obstacles in mass adoption due to technical barriers and a complicated user experience. Metadium addresses these challenges by utilizing AI to create a user-friendly and secure blockchain experience, allowing Web2 users to seamlessly transition into Web3.
The result is a single, interoperable identity layer: a Universal ID that works across chains, services, and the everyday applications people already use.
Where Metadium is heading
Beyond identity verification. An intelligent, AI-powered blockchain ecosystem.
AI-simplified experience
AI removes the complexity of blockchain interfaces, making on-chain data intuitive and genuinely accessible.
Bridging Web2 & Web3
Reducing barriers for Web2 users while integrating DID with AI to expand trusted, data-driven services.
A scalable ecosystem
Applying AI and blockchain across industries to develop new service models and expand into global markets.
How it works
Signatures and contracts using DID are executed and recorded as smart contracts on-chain, preventing tampering and preserving integrity.
Technology
The essentials live here. Full specs, SDKs and standards are in the documentation.
EVM compatibility
An Ethereum-equivalent environment with standard API/SDK and EIP support, for fast and convenient onboarding.
Read in docs ↗High scalability4,000+ TPS
Transaction throughput suited to enterprise-grade workloads, with continuous network hardening.
Read in docs ↗Governance
Autonomous node authority and on-chain governance contracts for an open, participatory, evolving ecosystem.
Read in docs ↗Security & compliance
Node permission controls and data encryption for privacy, with corporate-grade compliance built in.
Read in docs ↗META ID & ID Hub
Decentralized ID bridging KYC and credentials across chains and services as an interoperable hub.
Read in docs ↗Developer support
SDKs, open-source libraries and W3C-standard packages, with data-flow visualization APIs for a transparent build.
Read in docs ↗Partners & Clients
Ecosystem & use cases
1.8M+ users and 100+ partners. Identity, payments, and secure services running in production on Metadium.
// flagship deployments
B PASS
Busan's integrated digital ID covering transit, store access, and certificates across city services.
KB Kookmin Card
Blockchain authentication securing consumer credentials for financial services.
Korea Post
DID-based payment & settlement with on/offline order and transaction verification.
Ministry of Oceans & Fisheries
DID issuance and management of seafarer credentials and qualifications.
GS25 unmanned stores
B PASS-integrated store access via QR. No personal data shared with third parties.
WEB2X
Single-API platform connecting Web2 services to Web3. No blockchain expertise required.
// trusted across industries
Government & public
Finance
Web3 & assets
Mobility & AI
Institutional services
Compliance-ready blockchain solutions for enterprises and public institutions.
Resources
Everything you need to build on and follow Metadium.