OKX Ventures Backs Type 2.5 zkEVM Project Kakarot in Seed Round

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The world of Web3 is witnessing a surge in innovation aimed at solving one of Ethereum’s most pressing challenges: scalability. At the heart of this movement is Kakarot, a cutting-edge Type 2.5 zkEVM built using Cairo, a powerful, Turing-complete language designed for writing provable programs on blockchain with STARK-based zero-knowledge proofs. In a strategic move to accelerate Ethereum's evolution, OKX Ventures, the investment arm of leading Web3 technology platform OKX, has announced its participation in Kakarot’s seed funding round.

This investment underscores growing confidence in next-generation scaling solutions that bridge the gap between Ethereum’s robust ecosystem and the performance demands of modern decentralized applications (DApps).

What Is Kakarot and Why It Matters

Kakarot began as a grassroots community initiative during a Starknet Hacker House event in October 2022. What started as an experimental project rapidly evolved into a full-fledged company driven by a clear mission: to scale Ethereum without compromising its security or developer experience.

Built on Starknet, Kakarot leverages the power of Cairo—a language developed by Starkware—to create a zkEVM that achieves near-complete compatibility with the Ethereum Virtual Machine (EVM). Unlike traditional Layer-2 solutions that struggle with EVM equivalence, Kakarot offers what is known as Type 2.5 zkEVM status, meaning it preserves most EVM behavior while optimizing for provability and efficiency using zero-knowledge technology.

One of Kakarot’s standout achievements was reaching full opcode equivalence within just two and a half months—an impressive milestone considering opcodes are the fundamental building blocks that dictate how smart contracts execute on Ethereum.

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The Role of Zero-Knowledge Technology in Scaling Ethereum

Zero-knowledge proofs (ZKPs) are revolutionizing blockchain scalability by allowing computations to be verified without revealing underlying data. Among ZKP variants, STARKs (Scalable Transparent Arguments of Knowledge) stand out for their transparency and resistance to quantum attacks.

By implementing a zkEVM written entirely in Cairo, Kakarot enables developers to deploy existing Ethereum-based smart contracts on Starknet with minimal modifications. This removes a major friction point for teams looking to leverage Starknet’s high throughput and low-cost transactions while maintaining access to Ethereum’s vast user base and liquidity.

Moreover, Kakarot functions as both a Layer-2 on Ethereum and a Layer-3 on Starknet, creating a unique hybrid architecture. This dual-layer positioning allows it to inherit Ethereum’s security while benefiting from Starknet’s recursive scaling capabilities—offering unprecedented flexibility for DApp developers.

Strategic Vision: From Type 2.5 to Type 1 zkEVM

While currently classified as a Type 2.5 zkEVM, Kakarot has set its sights on becoming a Type 1 zkEVM—the gold standard in EVM compatibility. A Type 1 system would allow any Ethereum Layer-1 node to generate STARK proofs, enabling full prover equivalence with Ethereum’s native execution environment.

Achieving this goal would represent a monumental leap forward in blockchain interoperability, effectively turning Starknet into a fully compatible, infinitely scalable extension of Ethereum itself.

Beyond zkEVM development, Kakarot is actively exploring additional innovations, including:

These efforts position Kakarot not just as a scaling tool, but as a foundational infrastructure layer for the next era of Web3.

Why OKX Ventures Backed Kakarot

Dora Yue, Founder of OKX Ventures, emphasized the strategic importance of this investment:

"We are honored to participate in the seed round of investment in Kakarot, a Cairo language-based zkEVM. Kakarot is built on Starknet, utilizing an innovative coding language that resolves the issue of Starknet's incompatibility with EVMs. This advancement enables the Ethereum ecosystem to flourish on Starknet."

OKX Ventures’ involvement signals strong belief in Kakarot’s technical roadmap and long-term potential to drive mass adoption of zero-knowledge technologies. As part of OKX’s broader commitment to supporting early-stage blockchain innovators, this investment aligns with a vision of an open, scalable, and interoperable Web3 ecosystem.

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Upcoming Milestone: First Testnet Launch

Kakarot is preparing to launch its inaugural testnet, marking a critical step toward mainnet deployment. The testnet will serve as a live environment for developers to experiment with deploying EVM-compatible contracts on Starknet via Kakarot’s zkEVM infrastructure.

This release will enable real-world testing of key features such as:

Community feedback gathered during this phase will inform final optimizations before mainnet rollout.

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These terms reflect both technical depth and user interest in emerging Web3 infrastructure projects.

Frequently Asked Questions (FAQ)

What is a Type 2.5 zkEVM?

A Type 2.5 zkEVM balances EVM equivalence with optimization for zero-knowledge proving. It maintains most Ethereum behaviors but modifies the gas cost model slightly to improve provability and performance—making it ideal for scalable rollups like Kakarot.

How does Kakarot differ from other zkEVMs?

Unlike many zkEVMs built in Solidity or custom languages, Kakarot is written entirely in Cairo, giving it deep integration with Starknet’s native proving infrastructure. This allows more efficient proof generation and better long-term scalability.

Is Kakarot a Layer-2 or Layer-3 solution?

Kakarot operates as both: it acts as a Layer-2 on Ethereum by submitting proofs to Ethereum mainnet, and as a Layer-3 on Starknet by leveraging Starknet’s own Layer-2 security and scalability stack.

Can I deploy my existing Ethereum dApp on Kakarot?

Yes—thanks to opcode-level equivalence, most Ethereum smart contracts can be deployed on Kakarot with little or no changes. Developers can use familiar tools like Hardhat and Truffle for seamless migration.

What are the risks involved in using new zkEVM platforms?

As with any emerging technology, risks include untested code, potential bugs in early testnets, and evolving standards. Users should conduct thorough due diligence and avoid deploying large assets until mainnet stability is confirmed.

How does OKX Ventures support Web3 innovation?

OKX Ventures invests in early-stage blockchain projects that push technological boundaries—from Layer-1 protocols to developer tools and ZK infrastructure—fostering a decentralized, scalable, and secure digital economy.

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Final Thoughts

The collaboration between OKX Ventures and Kakarot highlights a pivotal moment in Ethereum’s journey toward mass adoption. By combining Cairo’s expressive power with Starknet’s proven scalability framework, Kakarot is paving the way for a new generation of high-performance, EVM-compatible applications.

As the project moves toward its first testnet launch and beyond, developers, investors, and Web3 enthusiasts alike should keep a close eye on its progress. The fusion of zero-knowledge cryptography, community-driven development, and strategic investment could very well define the next chapter of decentralized computing.

Disclaimer: This article is for informational purposes only and does not constitute financial, legal, or investment advice. Cryptocurrency investments carry significant risk. Always do your own research before engaging with new blockchain projects.