OpenZeppelin Defender Now Available with Japan Open Chain

〜 Enhancing Security and Efficiency for Smart Contract Operations 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 OpenZeppelin, the standard for secure onchain applications at any scale, has made its smart contract management platform, "OpenZeppelin Defender" (hereinafter "Defender"), fully compatible with JOC.

This compatibility enhances the security of smart contract operations on JOC, supporting the expansion and development of web3 businesses.

◽️ Background

OpenZeppelin is the world leader in securing blockchain applications and smart contract systems. Its bedrock open-source Contract Libraries are a public good and industry standard for smart contract development. OpenZeppelin’s professional expertise, unified with the Defender developer security platform, integrates through clients’ development lifecycles, so teams can plan, code, audit, deploy, and operate projects faster and more safely.  With the completion of Defender’s compatibility with JOC, smart contract operations on the JOC network are now more secure and efficient.

Defender provides a comprehensive solution for reducing risks and automating processes in smart contract operations, offering developers a simpler and more reliable way to manage their contracts. This initiative further enhances the value of JOC, a public blockchain originating from Japan.

◽️ Features of Defender:

Defender Admin

• A comprehensive dashboard for managing smart contracts.
• Simplifies operations such as contract upgrades, access control, and pausing or resuming contracts.

Defender Relayer

• Automates blockchain transactions.
• Supports scheduled transactions and condition-based actions.

Defender Monitors

• A monitoring tool for smart contracts.
• Reacts to on-chain events in real-time based on specified rules, sending notifications to Discord, Slack, or email.

Defender Actions

• Automates smart contract activities and executes predefined actions or alerts based on conditions.

These features enable JOC-based projects to achieve greater efficiency and security in their operations. Defender compatibility will be fully available now.

◽️ “Japan Open Chain” is a public blockchain optimized for business, emphasizing legal and technical practicality.​​
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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".

◽️ About OpenZeppelin

Founded in 2015, OpenZeppelin is the world leader in securing blockchain applications and smart contract systems. Its bedrock open-source Contract Libraries are a public good and industry standard for smart contract development. OpenZeppelin’s professional expertise, unified with the Defender developer security platform, integrates through clients’ development lifecycles, so teams can plan, code, audit, deploy, and operate projects faster and more safely. OpenZeppelin secures success for over a thousand trusted crypto protocols and organizations.

For more information, please visit:
OpenZeppelin Official Website | X (Twitter)  | Github