X Layer network and all ancillary services are provided by Metax Technology Company Limited, a private limited company incorporated under the laws of Seychelles.

Ignite your creativity

X Layer is a ZK-powered layer 2 network that connects the OKX and Ethereum communities to allow anyone to take part in a truly global on-chain ecosystem.


Join the community building on X Layer

Find your favourite DApps on X Layer and kickstart your own journey today

Explore X Layer ecosystem

Built for all users and builders

Using OKB as the X Layer native token, users can move value seamlessly between OKX and X Layer

  • EVM compatibility

    EVM compatibility

    Enable ZK-powered DApps on X Layer, with 100% EVM compatibility and easy-to-use developer tools for deployment

  • Powered by Polygon

    Powered by Polygon

    A zkEVM layer 2 solution based on Polygon CDK, ensuring near-instant finality, unified liquidity, and independent data availability

  • Trusted network

    Trusted network

    Securely deploy any EVM smart contracts and onramp your assets from OKX, Ethereum, and other interoperable chains

  • Portal to Web3

    Portal to Web3

    Enter the world of Web3 via OKX Wallet, built with compact infrastructure modules to create innovative DApps

  • 1%

    Ethereum gas cost

    Code with ease at 1% of Ethereum’s costs.

    *The actual network fees may fluctuate depending on price changes in ETH, OKB, and network congestion level, etc.

    Ethereum gas cost
  • Powered by

    Powered by


    We built X Layer as a portal to connect OKX products, users, and assets to Web3, and to provide an open ecosystem that anyone can build on.

    Explore OKX Build, our Web3 developer tool, to make building and reaching OKX users easier.

    Explore OKX Build


  • X Layer testnet launch

    2023 | Q4

    • Seamless DApp integration
    • Sequencer stability test
    • Performance stress test
    • Allowing Sepolia assets to bridge to X Layer testnet
  • X Layer testnet optimization

    2023 | Q4

    • Decentralized Data Availability Committee (DAC)
    • Scaling based on EIP-4844
    • Enhance proof generation time
    • Iterative testing and optimization
  • X Layer mainnet launch

    2024 | Q1

    • Transition from testnet to mainnet
    • Launch of zkBridge, zkOracle, and zkDEX
    • Deployment of DApps by key partners on X Layer mainnet
  • Upgrade infrastructure

    2024 | Q2

    • Improve the performance of the sequencer and zkProver
    • Align with EIP-4844 and upgrade to ZK-Rollup
    • Upgrade RPC architecture to Erigon
  • Optimize technical architecture

    2024 | Q3

    • Upgrade the sequencer to Erigon
    • Boost the performance of the sequencer and zkProver
    • Support all EVM opcodes and precompiled contracts
  • Enhance scalability

    2024 | Q4

    • Support native account abstraction
    • Decentralize the sequencer
    • Upgrade zkProver’s algorithm to Plonky2

Enhanced security

  • OKB token

    Functions as the utility token of the OKX ecosystem, the native token on X Layer, and can be used to pay transaction fees

  • OKLink data platform

    Analyze on-chain data and audit code panoramically on X Layer

    Get analysis and audit
  • Become a part of our community

    Join our ever-growing community of developers and end-users

  • X Layer branding kit

    Get X Layer official logos and branding guides

    Download branding kit

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