Matter Labs open-sourced Prividium, the permissioning engine behind its ZKsync institutional chain platform, and Germany's Deutsche Bundesbank became the first institution to test it.
Prividium lets a regulated firm run a permissioned chain from public code inside its own environment, keeping smart-contract and token data on-premises while zero-knowledge proofs verify correctness. Publishing the core as open source means institutions can inspect, run and modify it themselves rather than depend on a single vendor. Matter Labs said the change followed feedback from regulated institutions, which argued that a commercial-only core created a single-vendor dependency they could not accept, and that independent control of the code was a precondition for adoption.
The Bundesbank test signals growing central-bank interest in production-grade, privacy-preserving infrastructure, and positions Prividium as a template for how regulated finance might run blockchains without ceding control to a single provider.
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