Matter Labs, the company behind the ZKsync protocol, open-sourced the core permissioning engine of Prividium, its enterprise blockchain platform, on September 8, 2026, under the Apache 2.0 license. Germany’s Deutsche Bundesbank is currently testing a self-hosted instance in collaboration with Matter Labs on design and testing. This release fills the last missing piece of a technical stack whose other components (ZKsync OS, the Atlas sequencer, the Airbender prover, and interoperability contracts) were already open source. Matter Labs retains ownership of its commercial deployment tools and user interfaces. The Apache 2.0 license allows institutions to inspect, modify, and run the engine without a commercial agreement with Matter Labs, directly addressing the vendor lock-in concerns expressed by large organizations.
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