~ Developer-Friendly Web3 Infrastructure Now Available on JOC ~
Japan Blockchain Foundation Co., Ltd. (Representative Director: Hidekazu Kondo, hereinafter referred to as "our company"), the consortium managing Japan Open Chain (hereinafter "JOC"), is pleased to announce that the Web3 development platform thirdweb is now compatible with the JOC.
With thirdweb’s support, developers can now easily create and manage Web3 applications, including smart contracts, NFTs, and marketplaces, on JOC, further driving the activation and growth of the JOC ecosystem.
◽️ Background
thirdweb is an all-in-one development platform designed to simplify and accelerate the creation of Web3 applications. It has gained widespread recognition among developers worldwide for providing tools that support every step of Web3 development, from creating and deploying smart contracts, NFTs, tokens, DAOs, and marketplaces to managing and analyzing them.
With this integration, developers in the JOC community can leverage thirdweb’s robust tools to efficiently and securely build their Web3 projects.
Through its collaboration with thirdweb, JOC aims to further expand the Web3 ecosystem and actively support project development on the JOC platform.
◽️ Features of thirdweb:
All-in-One Development Tools
- Smart Contract Creation: No coding required—pre-built contract templates are available for use.
- Token Issuance: Easily create and manage ERC-20 and ERC-721 (NFT) tokens.
- Marketplace Building: Quickly deploy platforms for trading NFTs and digital assets.
- DAO Tools: Provides tools for governance and community management.
Simplified and Efficient Development
- Drag-and-Drop UI: Intuitive interfaces make project creation simple and fast.
- SDKs and APIs: Supports various programming languages like JavaScript and Python, enabling seamless integration with existing systems.
With thirdweb’s integration, these features are now available on the JOC network, enabling developers to efficiently build and operate Web3 applications.
◽️ “Japan Open Chain” is a public blockchain optimized for business, emphasizing legal and technical practicality.
Validators

.png?width=4233&height=900&name=logo_horizontal_primary%20(2).png)

Japan Open Chain (JOC) is an Ethereum-compatible Layer1 Public Blockchain co-operated by leading companies including CORGEAR, a startup within Sony Group, NTT Communications, Dentsu, TIS. The chain focuses on legal and technical practicality, making it the most suitable public blockchain for business use cases. JOC is fully compatible with Ethereum, and it enables anyone in the world to use blockchain and operate business on it confidently, safely, and affordably. It is particularly ideal for applications in the financial and business sectors.
Official Website | X (Twitter) | Discord
【Main Features】
- Operated safely and securely by Japanese companies.
- Validators consist of companies that have passed appropriate screening.
- Operating in compliance with Japanese law, providing a clear legal basis.
- Ethereum fully compatible chain utilizing PoA (Proof of Authority)
- Fully compatible with Ethereum, allowing for the use of Ethereum protocol-developed tools and smart contracts as-is.
- The Proof of Authority (PoA) algorithm achieves a balance between decentralization and scalability, incorporating practical considerations into its design.
- Provides high security performance thanks to adequate decentralization, network stability and controllability, and is energy-efficient and environmentally friendly.
- Optimal Design for web3 Business with Fast and Affordable Fees
- Achieves processing speeds tens of times faster than the Ethereum mainnet.
- Fees for issuing NFTs are less than 1 yen per transaction.
- Eliminates settlement risk through deterministic finality.
- Projects by Large Corporations and Local Governments Underway
- Financial DX projects through the issuance of Japan-based stablecoins by banks.
- Various NFT projects by local governments, including "Digital Citizen Certificates".