PRESS RELEASE
Soramitsu Co., Ltd.
Shibuya-ku, Tokyo, Japan
Tokyo, Japan — March 14, 2025

Soramitsu Expands Use of Hyperledger Iroha 2, an Innovative Open-Source Blockchain Framework

Soramitsu is proud to announce its contribution to Hyperledger Iroha 2, a next-generation open-source blockchain framework that delivers robust, fast, and efficient digital asset and identity management solutions.

Now a project of the LF Decentralized Trust, Iroha 2 offers an advanced suite of features that streamline blockchain adoption for developers and enterprises. As maintainers of Iroha, Soramitsu plays a leading role in developing the open-source platform.
Advancements in Hyperledger Iroha 2
Building on the successes and lessons learned from its predecessor, Iroha 2 represents a significant leap forward with a complete architectural overhaul and enhanced functionality.
Key innovations in Iroha 2 include:
Granular Access Control & Security
  • A role-based permission model with fine-tuned access controls, multi-signature transactions, and the new Byzantine fault-tolerant Sumeragi consensus algorithm ensures security and reliability.
Developer-Friendly Environment
  • Support for Rust, Python, Java/Kotlin, and JavaScript SDKs, alongside a command-line interface, simplifies blockchain interaction and smart contract development.
Enhanced Smart Contract Capabilities
  • WASM-based smart contracts and Iroha Special Instructions streamline contract execution and operations.
Enterprise-Ready & Customizable
  • A permissioned blockchain framework designed for trusted environments supporting customizable fungible and non-fungible assets.
Scalability & Flexibility
  • Extensible infrastructure enables seamless integration with existing systems, making it ideal for various industry use cases.
Real-World Applications of Hyperledger Iroha 2
Hyperledger Iroha 2 is already being implemented in innovative projects worldwide, reinforcing its reputation as a next-generation blockchain framework.
Notable projects include:
Bokolo Cash (Solomon Islands)
Palau Invest (Republic of Palau)
Digital Kina (Papua New Guinea)
SORA v3: The Future of Decentralized Finance
Soramitsu is integrating Hyperledger Iroha 2 into the SORA v3 ecosystem, creating a hub that connects permissioned and public blockchain networks.
SORA v3’s testnet, Fujiwara, is now live, demonstrating the potential of Hyperledger Iroha 2 as a foundation for financial services tailored for Central Banks, MLDBs, NGOs, and traditional financial institutions.
Based on Iroha 2, the SORA v3 Hub Chain will drive financial innovation globally, providing an affordable, secure, and scalable platform for tokenizing assets and delivering next-generation digital financial services.
Get Involved
Hyperledger Iroha 2 is now available for testing and deployment. Developers and enterprises are invited to explore its capabilities, contribute to its evolution, and engage with the Iroha 2 community via:

Join us in shaping the future of decentralized finance with Hyperledger Iroha 2.

About Soramitsu
Soramitsu is an award-winning global financial technology company with expertise in developing blockchain-based solutions for digital asset and identity management. Our mission is to use blockchain to promote innovation and solve pressing societal challenges.
Utilising blockchain, Soramitsu has developed a digital currency infrastructure backbone for the National Bank of Cambodia, CBDC Proof-of-Concepts with the Bank of the Lao PDR, the Central Bank of Solomon Islands and the Bank of Papua New Guinea, a blockchain-based digital savings bond system Palau Invest in collaboration with the Government of Palau, a closed-loop payment system for the University of Aizu in Japan, an identity verification system prototype for Bank Central Asia in Indonesia, shortlisted in the Monetary Authority of Singapore CBDC Challenge, participated in Asia-Pacific's first proof-of-concept test of a cross-border multi-currency security settlement system using distributed ledger technology with the Asian Development Bank, and in collaboration with the Risk Assurance Group and Orillion Solutions developed the technology core of the Fraud Intelligence Blockchain.

Soramitsu is a contributor to many open source projects, such as Klaytn (now Kaia), South Korea's leading Layer-1 blockchain; Zenswap, a cross-chain liquidity platform being developed by Soramitsu as a joint venture with Analog; the SORA crypto-economic system; the Polkaswap DEX; and the DeFi wallet, Fearless Wallet. Soramitsu also collaborated with Filecoin to develop FUHON, a C++ implementation of their protocol; and with the Web3 Foundation to develop KAGOME, the C++ Polkadot Host implementation. In addition, Soramitsu is the developer of and major contributor to the open-source blockchain platform Hyperledger Iroha, a project of Hyperledger Foundation, now part of the LF Decentralized Trust, tailored for enterprise and public-sector use. As founding contributors to the Hyperledger Project, Soramitsu is building the digital infrastructure of the future.

Based on these experiences, Soramitsu continues to deploy cutting-edge technology on a global scale in order to expedite financial inclusion and health, mitigate economic inefficiencies, and contribute to the fulfilment of the Sustainable Development Goals.

SEE ALSO:
Bank of Papua New Guinea, Japan’s METI, and Soramitsu Complete CBDC Proof of Concept in Port Moresby
The Bank of Papua New Guinea, in collaboration with Soramitsu and Japan’s Ministry of Economy, Trade and Industry (METI), marked the successful completion of the Digital Kina Proof of Concept (PoC) for the country’s Central Bank Digital Currency (CBDC), with a ceremony held at the Papua New Guinea Hilton Hotel in Port Moresby.
A Year of Progress: Soramitsu’s Role in Advancing Blockchain Globally in 2024
Soramitsu continued its mission to enhance financial inclusion and drive digital transformation globally in 2024.
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