Offchain Labs, the developer of the Arbitrum blockchain rollup, unveiled a partnership with Succinct Labs aimed at embedding modular zero-knowledge proving technology into the Arbitrum ecosystem. Branded internally as the Tandem initiative, the upgrade is designed to shorten withdrawal times, enhance cross-chain interoperability and add multi-prover security without requiring developers to overhaul existing code. Offchain Labs said a working prototype is already live, demonstrating how Succinct’s ZK provers can be integrated as a plug-in module. The companies plan to open the tooling to application developers in phases, with broader network deployment to follow pending security audits. Observers see the move as part of a wider trend among major rollups to adopt ZK technology in order to boost scalability and decentralization.