ZKsync opens Prividium core code under Apache 2.0 license

Matter Labs, the company behind the ZKsync protocol, has open-sourced the core permissioning engine of Prividium, its enterprise blockchain platform. The code went public on September 8, 2026, under the Apache 2.0 license. Germany’s Deutsche Bundesbank is the first organization testing a self-hosted instance. The Bundesbank is collaborating with Matter Labs on both design and testing for its self-hosted deployment. The release does not hand over everything. Matter Labs is keeping its enterprise tooling, including user interfaces and deployment tools, proprietary. The engine is open. The polished dashboard around it still comes with a bill. What’s actually in the repo The release covers one main app and six packages. All of it lives in a public GitHub repository called matter-labs/prividium-core. The permissioning engine is the part that decides who can do what on a private chain. For a regulated institution, that layer matters a lot. Permissions and auditability are the features compliance teams actually lose sleep over. This piece completes a broader stack that was already public. ZKsync OS, the Atlas sequencer, the Airbender prover, and the interoperability contracts were all ope...