Zama Announces Strategic Acquisition of KKRT Labs to Scale Confidentiality on Public Blockchains

[PRESS RELEASE – Paris, France, November 5th, 2025]

Zama, the cryptography company behind the Zama Confidential Blockchain Protocol, today announced that it has acquired KKRT Labs, a pioneering research and development firm focused on scaling blockchains using Zero-Knowledge Proofs. This strategic acquisition strengthens Zama’s technical depth in blockchain scalability and validity (ZK) rollups, while accelerating its ability to deliver high-performance confidentiality to all public blockchains.

Unlocking the Next Phase of Scalable Onchain Confidentiality

KKRT Labs (also known as “Kakarot”) brings deep expertise in designing high-performance proving architectures and modular rollup systems for Ethereum-equivalent environments. Backed by investors such as Vitalik Buterin, Starkware, Lambda Class, and Stake Capital, Kakarot is recognized as one of the strongest ZK-rollup teams in the ecosystem, aiming at building the most scalable, efficient proving engine for Ethereum-compatible chains.

By joining forces, Zama and KKRT Labs will accelerate scalability efforts across the Zama Protocol, targeting 10,000+ confidential transactions per second on public chains such as Ethereum, Solana, and others. This new scale will open up critical financial applications on-chain, such as confidential stablecoin payments, confidential DeFi, or confidential on-chain asset management.

Integration, Growth, and Future Roadmap

Beyond technical alignment, Zama and KKRT Labs share a common philosophy: a belief in open-source innovation, confidentiality-first infrastructure, and democratizing access to advanced cryptographic technology. Both teams have been driven by the conviction that scalability and confidentiality are not trade-offs, but complementary building blocks for the next generation of decentralized systems.

Zama is committed to ensuring a seamless integration of KKRT Labs:

• Team retention & leadership: KKRT’s key engineers, operations, and leadership will transition fully into Zama.
• Roadmap alignment: KKRT’s ongoing initiatives will be integrated into Zama’s broader product and engineering roadmap with minimal disruption.

About Zama

Zama is a cryptography company building state-of-the-art FHE solutions for blockchain. Their flagship protocol, the Zama Protocol, adds a layer of confidentiality to existing chains such as Ethereum and Solana, enabling confidential payment, DeFi and more. Zama was founded by Dr. Pascal Paillier (FHE pioneer) and Dr. Rand Hindi (exited AI founder), has the largest research team in FHE, and raised $150m at a $1.2b valuation from Multicoin, Pantera, Protocol Labs, and others. To learn more about Zama, users can visit https://zama.org/.

About KKRT Labs

KKRT Labs was a zero-knowledge R&D company focused on building modular proving engines for Ethereum-equivalent systems. Founded by experts in cryptography and blockchain architecture, KKRT Labs had an aim to make verifiable computing simple, fast, and accessible.

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