OKX and Polygon Launch zkEVM Layer2 Network X1 with OKB as Native Token

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The blockchain landscape continues to evolve at a rapid pace, driven by innovation in scalability, security, and user accessibility. In a major development for the Ethereum ecosystem, OKX and Polygon have jointly unveiled X1, a new zkEVM Layer2 network built on Polygon’s Chain Development Kit (CDK). The network has officially launched its testnet and marks a significant upgrade from the existing OKBC chain. With OKB designated as the native token, X1 aims to bridge millions of users with decentralized applications (dApps) across Ethereum and Polygon’s thriving ecosystems.

This collaboration leverages zero-knowledge (ZK) proof technology to deliver high-performance, secure, and cost-efficient transactions—addressing two of the biggest challenges in blockchain adoption: speed and gas fees.

Introducing X1: A High-Performance zkEVM Layer2 Solution

X1 is engineered as a zkEVM-compatible Layer2 network, meaning it maintains full compatibility with Ethereum’s virtual machine while operating off-chain to reduce congestion and lower transaction costs. Built using Polygon CDK, the network benefits from modular architecture, enabling developers to customize their rollups without sacrificing security or interoperability.

By integrating ZK-rollup technology, X1 batches thousands of transactions off-chain and submits cryptographic proofs to Ethereum Mainnet, ensuring data integrity and trustless validation. This approach not only enhances throughput but also drastically reduces gas fees for end users—making DeFi, NFTs, gaming, and other Web3 applications more accessible than ever.

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OKB as the Native Utility Token

One of the most strategic aspects of X1 is the designation of OKB as its native token. As a well-established digital asset with growing utility across exchanges, DeFi platforms, and now Layer2 infrastructure, OKB plays a central role in securing the network, paying transaction fees, incentivizing participation, and enabling governance.

Holders of OKB will benefit from reduced fees, staking rewards, and future participation in protocol decisions. With over 50 million global users on OKX, the integration of OKB into X1 creates immediate demand and real-world use cases—bridging centralized exchange activity with decentralized innovation.

This move reinforces OKB’s position beyond an exchange token, transforming it into a foundational asset within a scalable Ethereum-aligned ecosystem.

Bridging Ecosystems: Connecting 50M+ Users to Ethereum and Polygon

X1 isn’t just another rollup—it’s designed to be a strategic bridge between OKX’s vast user base and the broader decentralized world. By linking over 50 million users to Ethereum, Polygon, and their extensive dApp ecosystems, X1 lowers the barrier to entry for mainstream adoption.

Developers gain the ability to:

For users, this means frictionless access to decentralized finance (DeFi), non-fungible tokens (NFTs), GameFi, and more—all with faster speeds and lower costs than traditional on-chain transactions.

Why ZK Technology Matters in Modern Blockchain Infrastructure

Zero-knowledge proofs represent one of the most promising frontiers in blockchain technology. Unlike optimistic rollups that rely on fraud detection windows, ZK-rollups provide immediate finality and stronger security guarantees by mathematically proving transaction validity.

With X1 adopting zkEVM standards:

This makes X1 particularly attractive for applications requiring high reliability and low latency—such as decentralized exchanges (DEXs), derivatives platforms, and real-time gaming environments.

Moreover, ZK technology supports privacy-preserving features in the future, opening doors for compliant yet confidential transactions within regulated frameworks.

FAQ: Understanding X1 and Its Impact

Q: What is X1?
A: X1 is a zkEVM-based Layer2 network co-developed by OKX and Polygon. It uses ZK-rollup technology to scale Ethereum efficiently while maintaining full EVM compatibility.

Q: Is X1 live on mainnet?
A: As of now, X1 has launched its testnet. Mainnet deployment details will be announced by the development team in due course.

Q: What role does OKB play in X1?
A: OKB serves as the native token of X1, used for transaction fees, staking, governance, and ecosystem incentives.

Q: How does X1 differ from other Layer2 solutions?
A: X1 combines Polygon CDK’s flexibility with ZK security and direct integration with OKX’s user base, creating a unique blend of performance, security, and mass-market reach.

Q: Can developers build on X1 today?
A: Yes—developers can start building on the testnet using standard EVM tools like Hardhat, Remix, MetaMask, and popular RPC providers.

Q: Will existing OKBC holders receive any benefits?
A: While official migration plans have not been detailed yet, X1 is described as an evolution of OKBC, suggesting potential upgrade paths for current holders.

Unlocking New Possibilities for Developers and Users

For developers, X1 offers a powerful platform to launch scalable dApps without compromising on security or decentralization. The use of Polygon CDK allows for rapid deployment of customizable rollups tailored to specific application needs—whether it's high-frequency trading protocols or large-scale NFT marketplaces.

Users benefit from near-instant transactions, minimal fees, and seamless wallet integrations. Whether you're swapping tokens on a DEX or minting your first NFT, X1 aims to make every interaction smooth and affordable.

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Furthermore, with strong backing from both OKX and Polygon—two leaders in digital asset infrastructure—the network is well-positioned for long-term growth and ecosystem expansion.

The Road Ahead for X1

As the testnet gains traction, the focus will shift toward mainnet readiness, developer grants, ecosystem funding, and community engagement. Strategic partnerships with DeFi protocols, wallet providers, and analytics platforms are expected to follow.

With Ethereum continuing to dominate smart contract activity and Polygon solidifying its role as a leading scaling solution provider, X1 enters the scene at a pivotal moment in Web3 evolution.

Its success could set a precedent for how centralized platforms collaborate with decentralized networks to drive mass adoption—without compromising on core blockchain principles.

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Core Keywords

The launch of X1 represents more than just technical progress—it's a step toward unifying fragmented ecosystems, empowering developers, and bringing blockchain technology within reach of everyday users worldwide. As ZK-based architectures gain momentum, networks like X1 may very well define the future of scalable, secure, and inclusive Web3 infrastructure.