DX Network vs Liberbyte Data Exchange

DX Network is an infrastructure marketplace for buying and selling structured data in real time through an API. Its first Tech Industry marketplace covers technology companies, products, investors, investments and news. Buyers can request data combined across publishers in one API request, using DX/SPARQL semantic queries or wrapper endpoints. The network describes a subscriptionless, pay-as-you-go model that charges per datapoint through Ethereum payment channels and DX Tokens; the marketplace is free to try, but transactions use tokens. Its API documentation says Ethereum state channels handle authentication and payment. The maker says listed data is signed and transactions provide cryptographically secured provenance and integrity, while also stating that it makes no assumption about data quality or participant honesty. Buyers can whitelist or blacklist sources. The API and SDK are intended for integration into SaaS products, private apps and algorithms; developer materials include a Python library. The data model represents organizations, articles and products using an OWL 2 ontology. API access is listed for Linux, macOS and Windows.

Liberbyte Data Exchange, delivered as bytEM, is a federated implementation of the OUDEA data exchange architecture. It is designed to let organizations identify, discover, reference, resolve, and exchange governed data entities across independent systems without requiring a central data platform. The workflow is Search → Find → Exchange, with references connecting related entities. The architecture supports indexing entities, resolving current access, and transferring governed data. Liberbyte describes its data management approach as combining governance and business requirements through metadata and flexible processing, and presents controlled publication and exchange as a way to create data products and commercial data services. OUDEA v0.1 uses Matrix federation as its initial protocol substrate, and the public installer includes Matrix Synapse. The first public bytEM instance and live data index is cities.app; environment.app and legalentities.app are available through cooperation rather than unrestricted public access. The public installer repository is under AGPL-3.0 and requires a Linux host with Docker Engine and the docker compose plugin. The bytEM core is privately maintained, with source access available by request under a cooperation agreement. Pricing is on request.