Oracle Provider "Supra" Now Supports Japan Open Chain

～ Providing off-chain data 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 Supra, a new MultiVM Layer 1 as well as an oracle provider delivering off-chain data securely and efficiently, has successfully integrated with JOC.

With this integration, developers can now incorporate off-chain data into JOC-based Web3 applications and smart contracts, enabling advanced functionalities.

◽️ Background

Supra is the first Layer 1 blockchain built for full vertical integration with native oracles, dVRF, automation, cross-chain communication, and MultiVM support. Beyond the L1, Supra is also a prominent oracle provider that delivers essential off-chain data to 90+ blockchains in a secure and fast manner in 600-900ms with full finality. By extending the capabilities of smart contracts, it enables more reliable and advanced data utilization.

With this integration, developers can leverage Supra’s high-performance oracle to utilize various off-chain data sources on the JOC network, such as price feeds, event data, and IoT data. This advancement will unlock new use cases for financial services, insurance contracts, and gaming applications powered by smart contracts. Furthermore, it is expected to accelerate the activation and growth of the JOC ecosystem.

◽️ Features of Supra’s oracle protocol (DORA):

1. Reliable Oracle Services

• Enables integration of off-chain data into smart contracts, supporting a wide range of data sources such as price feeds and event data.

2. Scalable Infrastructure

• Offers flexible scaling capabilities to accommodate large-scale projects.

3. Low-Cost, High-Speed Performance

• Delivers fast (600-900ms with full finality) and cost-efficient data integration, enhancing application performance.

4. Multi-Chain Compatibility

• Supports 90+ blockchains including Ethereum, Polygon, Sui, Aptos, BSC, and Arbitrum. With this integration, JOC has been added as a supported blockchain.

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

Validators

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.

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【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 Supra

Supra is a MultiVM Layer 1 starting with MoveVM. Clocking in 500,000 TPS throughput on 300 globally distributed nodes with sub-second consensus latency, Supra is building the world's all-in-one blockchain built for full vertical integration to provide developers everything they need on a unified platform to build Super dApps.

Supra is also an oracle provider delivering secure and reliable data feeds with full finality in 600-900ms and on-chain randomness services to 90+ blockchains. It enables seamless integration of off-chain data into smart contracts, supporting a wide range of Web3 use cases.

【Company Overview】
Company Name : Unity Chain, Inc. (DBA Supra.com)
Representative         : Joshua Tobkin - Co-founder and CEO 
Established　　 ：June 2018
Address                    : 25 SE 2nd Ave, Ste 550, PMB 96, Miami, FL 33131
Registration Number: 83-0986417

For more detailed information.
Website I X (Twitter)