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Silent Data Becomes First Privacy-Focused Layer 2 to Join Ethereum’s Superchain
The project is one of over 30 layer-2 networks working to scale Ethereum.
Sep 3, 2025, 12:00 p.m.
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What to know:
- Silent Data, a new Ethereum layer 2 from Applied Blockchain, has become the first privacy-focused chain built on the OP Stack to join the Superchain.
- The layer 2 is already being tested by firms including Tokeny, Archax, Shell, and CRYOPDP (DHL Health Logistics).
Silent Data, a new Ethereum Layer 2 network developed by Applied Blockchain, has become the first privacy-focused chain to join the Superchain, the company said in a Wednesday press release.
Built on the OP Stack, the London-based project is designed to let organizations run blockchain applications without exposing sensitive information, combining what it calls “programmable privacy” with scalability, performance, and regulatory alignment.
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The OP Stack is the open-source development stack that powers the Optimism blockchain.
“Leveraging the OP Stack allows us to integrate into a robust and widely adopted Layer 2 ecosystem,” Applied Blockchain founder and CEO Adi Ben-Ari, said in the statement.
A layer 1 network is the base layer, or the underlying infrastructure of a blockchain. Layer 2 refers to a set of off-chain systems or separate blockchains built on top of layer 1s.
The Superchain, an ecosystem of more than 30 Layer 2 networks, includes Coinbase’s Base, OP Mainnet, Kraken’s Ink, Sony’s Soneium, Uniswap’s Unichain, and World Chain.
Silent Data is the first to introduce a privacy wrapper, enabling sensitive workloads to be executed on-chain without losing transparency or composability.
The project recently launched with a library of privacy-enabled applications and is already being tested across several industries.
Companies exploring its use include Tokeny, an Apex Group company, and Archax in real-world asset tokenization; Shell in energy trading; and CRYOPDP, a subsidiary of DHL Health Logistics, in healthcare and supply chain management.
Its stack can also be adopted by other Superchain layer 2s or projects looking to deploy their own rollups, signaling a wider move to bring enterprise-ready privacy into blockchain infrastructure, the firm said.
AI Disclaimer: Parts of this article were generated with the assistance from AI tools and reviewed by our editorial team to ensure accuracy and adherence to our standards. For more information, see CoinDesk's full AI Policy.
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