What Is a zkEVM?

Zero-knowledge (ZK) tech is one of the most prominent and promising paths to scaling Ethereum. One popular use of ZK proofs to scale Ethereum is what’s known as a zkEVM (zero-knowledge Ethereum Virtual Machine). So what is a zkEVM, and how does it help us make Ethereum cheaper and more efficient to use? Understanding the […]

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ZK White Paper: Efficient ZK Proofs for Keccak

As part of our ongoing efforts to inform the Ethereum community about the efforts of Polygon’s zero-knowledge (ZK) teams, we will be posting a series of technical papers by our engineers and researchers. We hope that everyone who’s interested in the inner workings of Polygon’s ZK projects, Ethereum itself, and cryptographic engineering in general will […]

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Plonky2 is Now Open-Source

Earlier this year, Polygon announced Plonky2, a zero-knowledge proving system that represents a major breakthrough for ZK tech. Plonky2 offers two main benefits: incredibly fast proofs and extremely efficient recursive proofs. It’s a huge leap forward for the ZK space, and we’ve been blown away by the response from the developer community: people want to […]

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Polygon Zero April-May Roundup

Sometimes it feels like crypto moves a little too fast. There are lots of talks and events during which the space’s key players and teams unveil new innovations or perspectives. Instead of being written down, too much of this important information gets scattered across the crypto chatterverse. It can be hard to keep track of […]

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ZK and the Future of Ethereum Scaling

Arbitrum recently released a great post arguing that Optimistic Rollups (OR) represent the future of Ethereum, since they offer inherent scalability and cost advantages over ZK Rollups (ZKR). Their piece is well-written and worth reading. In the spirit of friendly debate, we’d like to present a different perspective. Polygon has committed $1 billion to ZK […]

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Introducing Plonky2

Polygon Zero’s mission is simple: to use zero-knowledge proofs to scale Ethereum to a billion users, without compromising decentralization or security. Achieving this requires fast and efficient proof systems. Today, we’re excited to share Plonky2, a major milestone for zero-knowledge cryptography. Plonky2 is a recursive SNARK that is 100x faster than existing alternatives and natively […]

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