# NEXARIUM > Open Decentralized Web Infrastructure ## Overview NEXARIUM is a decentralized and interoperable digital ecosystem focused on: - Semantic Systems - Decentralized Identity - Identity Continuity - Linked Data - Machine-Readable Infrastructure - Institutional Transparency - Federated Communication - Verification Infrastructure - Long-Term Digital Persistence - Web3 Continuity Systems ## Core Infrastructure - https://www.nexarium.us - https://www.nvo987.us - https://www.nvo987.fr - https://identity.nvo987.us - https://valoriax.nvo987.fr - https://fediverse.nvo987.us - https://www.kellycode.us ## Infrastructure Layers ### Identity Infrastructure Decentralized identity systems based on semantic interoperability, DID-compatible structures, and continuity-oriented identity architecture. ### VALORIAX Institutional transparency infrastructure supporting the financial transparency, public accountability, and long-term integrity of the NVO987 association. ### Fediverse Infrastructure Federated communication infrastructure connected through ActivityPub-compatible technologies including Mastodon and Misskey environments. ### Cryptographic Infrastructure Parallel Web3 continuity infrastructure supporting blockchain-based persistence, verification, and decentralized identity anchoring. ## Technologies - HTML5 - CSS3 - JavaScript - JSON-LD - Schema.org - Linked Data - DID - ActivityPub - OpenTimestamps - SHA-256 - Web3 Infrastructure ## Ecosystem - NEXARIUM - NVO987 - VALORIAX - Kelly Code - Kelly Protocol - Fediverse Infrastructure ## Founder Nicholas Van-Orton ## Contact contact@nexarium.us