ZKsync developer Matter Labs has open sourced the core of Prividium, its privacy focused blockchain platform for financial institutions. It says the Deutsche Bundesbank is the first institution to deploy the platform in its own infrastructure. CEO Alex Gluchowski described the release as “the foundation, not the finish line,” pointing to the harder question of how chains run by individual institutions connect to each other and to public markets.
The engine that is being open sourced governs roles and access rights on a Prividium chain, deciding who can read and write. Large parts of the ZKsync stack were already open source, so an institution can now run a permissioned chain from public code without a commercial agreement. Some elements remain paid products, with Matter Labs keeping the administration console, user access tooling and connectors, including integration with core banking.
Prividium is designed for privacy by keeping transaction data inside the institution. What leaves is a cryptographic proof that the ledger was updated correctly, recorded on Ethereum or another compatible chain. Institutions already have experience with the technology. Deutsche Bank’s DAMA 2 tokenized fund project and a UBS proof of concept for its digital gold product both used ZKsync, and Cari Network has adopted Prividium for tokenized deposits, where the core banking connector is the relevant piece.
Matter Labs says the Bundesbank has deployed the platform self hosted, with smart contract and token data staying inside the central bank’s environment, and that the two are collaborating on design and testing. The Bundesbank has not commented and the purpose of the test is not disclosed.
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