HashKey Cloud partners with Quantum Solutions to achieve Japan's first DAT Staking collaboration, leveraging the HashKey CaaS platform to help listed companies expand their digital asset ecosystem.

According to Mars Finance, on November 26, in Hong Kong, on November 25, 2025 – HashKey Cloud, a global leading Web3 infrastructure service provider under HashKey Group, announced today a collaboration with Quantum Solutions Co., Ltd. (stock code: 2338), a company listed on the Tokyo Stock Exchange in Japan, to launch Japan's first DAT Staking partnership. This collaboration is led by HashKey Cloud and provides professional and secure Ethereum (ETH) staking and re-staking services for Quantum Solutions through HashKey Group's newly launched one-stop service platform, HashKey CaaS, marking the first time a Japanese listed company has participated in Ethereum staking through a professional institution using the DAT framework, achieving stable appreciation of digital assets. This partnership will leverage HashKey Cloud's technological advantages in institutional-grade staking infrastructure and risk management to help Quantum Solutions enhance asset utilization efficiency while exploring innovative scenarios such as re-staking and DeFi yield aggregation. As a pioneer in institutional-grade staking and crypto asset management, HashKey Cloud, with its advantages, is assisting the Japanese market in exploring new models of Web3 financial innovation. Leo Li, CEO of HashKey On-Chain Business Group, stated: 'We are honored to partner with Quantum Solutions to jointly promote the digital transformation of asset allocation for listed companies. The Japanese market's acceptance of blockchain technology and its compliance maturity are exciting. HashKey Cloud is committed to helping enterprises steadily integrate into the Web3 ecosystem through secure, professional, and scalable institutional-grade products and services.' Francis B. Zhou, CEO of Quantum Solutions, stated: 'Through our collaboration with HashKey Group, Quantum has become one of the first listed companies in the world to engage in institutional-grade ETH staking operations. This marks the formal launch of our proactive yield management strategy for ETH reserve assets.' Japan, as one of the most mature regulatory frameworks and the most promising crypto markets in Asia, has seen a significant increase in its on-chain value over the past year, and the regulatory environment continues to improve. This collaboration between HashKey Cloud and Quantum Solutions marks a key first step for HashKey Cloud in the Japanese market and provides a replicable model for local listed companies to participate in crypto asset compliance management, which is expected to promote broader applications of blockchain technology in the capital market. About HashKey Cloud: HashKey Cloud, as a leading provider of global Web3 infrastructure and a core member of HashKey Group, focuses on providing professional, stable, and secure blockchain services to global clients. Since 2018, we have been deeply engaged in the field of underlying blockchain technology, covering Staking services for over 80 mainstream public chains, and continuously exploring Ethereum Layer 2 and BTC Staking. As Web3 transitions from fundamental technology to applications, we are also upgrading our product line, including professional staking services designed specifically for Ethereum ETF issuers (ETF Staking Pro), fully meeting customer needs and continuously providing top-tier services to the global market.