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Developer Hub

JOC is available for use by anyone worldwide.

As JOC is a public chain with open endpoints, it provides various development resources for developers offering web3 services.

How to Use

You can check how to use JOC from the content below.

Development on JOC

Here are the mainnet and testnet of the Japan Open Chain.

  • Mainnet

    Official Mainnet of the Japan Open Chain

    Get Started

  • Testnet

    Official Testnet of the Japan Open Chain

    Get Started

Benefits of Building Web3 Services on JOC

  • Fully Compatible with Ethereum

    As Japan Open Chain is fully compatible with Ethereum, existing dApps and all smart contracts can be implemented.

  • Fast and Affordable

    As a Layer 1 sidechain, it achieves high processing speed and low transaction fees.

  • Safe to use

    Complying with Japanese law, it is co-operated by Japanese companies. It is a blockchain infrastructure that can be safely used for business by large enterprises and municipalities such as financial institutions.

JOC Dashboard

The JOC Dashboard is a web application available to all users of JOC. You can check the token balances necessary for transactions on JOC, view services that support the development of dApps and NFTs, and see owned NFTs.

Sign UpLearn How To Use

JOC Documentation

We are continuously updating the documentation page for those who want to learn about web3 and JOC.

Go to JOC Documentation

Development resources

  • JOC native support

    A web3-compatible wallet that allows you to safely manage cryptocurrency with simple operations. It integrates tokens and networks, adopts a user-friendly card-type design, and reduces the risk of incorrect token transmission.

    More Details Here
  • JOC native support

    A domestic browser developed in Japan for 20 years that is safe, fast, and multifunctional. It comes standard with the web3 wallet "Lunascape Wallet," enabling seamless access and use of dApps.

    More Details Here
  • Ethereum compatibility

    MetaMask is a cryptocurrency wallet compatible with Ethereum-based blockchains. It can be used on JOC.

  • A cloud service that allows for the construction and operation of a fully-fledged Ethereum-compatible blockchain. It can be initially implemented in 3 steps, enabling easy and inexpensive construction and operation of your own blockchain without the need for blockchain engineers.

    More Details Here

  • A no-code, easy and inexpensive system for issuing and managing NFTs for enterprises. It is expanding its functions as an all-in-one tool for NFT businesses, including NFT bridges and NFT sales functions.