Bitcoin (BTC), Ethereum (ETH), and many altcoins continue to be adopted by major corporations as part of treasury strategies. While Ethereum has received the most attention under the DAT strategy, another major piece of news has emerged for ETH. Accordingly, Quantum Solutions, listed on the Tokyo Stock Exchange, announced that it purchased 2,365 ETH in just 7 days, becoming Japan's largest Ethereum treasury company. Quantum Solutions is backed by Bitcoin bull Cathie Wood's company, Ark Invest. Quantum Solutions CEO Francis B. Zhou shared on his X account that they accumulated 2365 ETH in just 7 days. The CEO added that with this ETH purchase, Quantum Solutions officially becomes the largest ETH DAT company outside the US. “I'm proud to announce that we've accumulated 2365 ETH in just 7 days. This officially makes Quantum Solutions the largest ETH DAT outside the US. More ETH purchases are coming soon. Thank you for your support, Cathie Wood and ARK Invest.” Cathie Wood also confirmed this development and their support, saying, “Three months into the DAT revolution, we are delighted to support Japan's first institutional-grade ETH DAT. Expanding access to innovation in global capital markets is crucial, and we are excited to do this together with Quantum Solutions and Francis B. Zhou.” Three months into the DAT revolution, we’re happy to support Japan’s first institutional-grade ETH DAT. Expanding access to innovation in global capital markets is key — thrilled to do this alongside @Quantum_SKK2338 and @FrancisBZhou . https://t.co/e6YlnJMHI4 — Cathie Wood (@CathieDWood) October 23, 2025 *This is not investment advice. Continue Reading: Japan Makes Historic Move for Ethereum (ETH)! "Largest Outside the US!"
