| 1999 |
Founded in 1999. |
| 1999-05 |
Established Zion Limited, an internet consulting company |
| 1999-05 |
Established ZION LLC., an internet consulting firm |
| 2002 |
Listed on the Tokyo Stock Exchange in 2002 (Stock code JP 2338). |
| 2002-02 |
Reorganized into Zion Corporation |
| 2002-02 |
Reorganized into ZION, Ltd. |
| 2002-11 |
Listed on the Tokyo Stock Exchange Mothers Market. |
| 2002-11 |
Listed on the Tokyo Stock Exchange Mothers Market |
| 2002-11-19 |
Listed on the Tokyo Stock Exchange Mothers Market |
| 2002-11-19 |
Listed with Nomura Securities as the lead underwriter. |
| 2007-07 |
Changed company name to Seven Seas Techworks Inc. |
| 2007-07 |
Relocated headquarters to 6-77 Kagurazaka, Shinjuku-ku, Tokyo |
| 2007-07 |
Changed company name to SEVEN SEAS TECH WORKS Co., Ltd. |
| 2012-02 |
Relocated headquarters to 4-32-4 Yotsuya, Shinjuku-ku, Tokyo |
| 2012-02 |
Moved headquarters to 4-32-4 Yotsuya, Shinjuku-ku, Tokyo |
| 2012-09 |
Changed company name to Fasteps Inc. |
| 2012-09 |
Changed company name to Fasteps Co., Ltd. |
| 2015-07 |
Transferred to the Second Section of the Tokyo Stock Exchange |
| 2015-07 |
Transferred to the Tokyo Stock Exchange Second Section |
| 2018-09 |
Changed company name to Bit One Group Inc. |
| 2018-09 |
Changed company name to Bit One Group Co., Ltd. |
| 2019-07 |
Relocated headquarters to 1-10-9 Kudan-kita, Chiyoda-ku, Tokyo |
| 2019-07 |
Moved headquarters to 10-9 Kudan-kita 1-chome, Chiyoda-ku, Tokyo |
| 2021-08 |
Changed company name to Quantum Solutions Inc. |
| 2021-08 |
Changed company name to Quantum Solutions Co., Ltd. |
| 2022-04 |
Transitioned to the Tokyo Stock Exchange Standard Market |
| 2022-04 |
Transferred to the Tokyo Stock Exchange Standard Market |
| 2024-08 |
Relocated headquarters to 1-9-2 Marunouchi, Chiyoda-ku, Tokyo |
| 2024-08 |
Published prototype images of the RPG 'JEWEL' |
| 2024-08 |
Acquired exclusive distribution rights for the game 'SANCTUS SENKI – GYEE' |
| 2024-08 |
Memorandum of Understanding (MOU) with Yubitas Inc. |
| 2024-08 |
Signed an MOU with Yubitas Inc. to begin initial discussions on AI data center and GPU-based AI infrastructure business in Japan. |
| 2024-08 |
Moved headquarters to 1-9-2 Marunouchi, Chiyoda-ku, Tokyo |
| 2025-04 |
Acquired global operation rights for mobile game 'Sanctus Chronicles - GYEE (Gai)'. |
| 2025-04 |
Signed an MOU with young scientist Dai Bo, renowned worldwide in the field of 3D AIGC (AI-generated content), for collaboration. |
| 2025-07 |
Officially launched Bitcoin reserve asset business, taking the first step in strategic shift. |
| 2025-07 |
Secured a $10 million contract with IAMA, the investor behind the acquisition of 'Forbes', to expand digital assets. |
| 2025-07 |
Strategic partnership with TDX, collaborating in the field of cryptocurrency with a team of experts from major US financial institutions. |
| 2025-07 |
Initiated our capital and technology strategies, including the digital asset treasury strategy, to enhance financial flexibility and strengthen efforts in next-generation digital infrastructure. |
| 2025-08 |
1. Raised $10 million as initial capital to launch Quantum Digital Asset Treasury (DAT) strategy. 2. Positioned Ethereum (ETH) and Bitcoin (BTC) as main assets, shifting to a new financial strategy utilizing blockchain assets. |
| 2025-08 |
Start of digital asset strategy. |
| 2025-08 |
Raised $10 million as initial capital to launch Quantum Digital Asset Treasury (DAT) strategy. |
| 2025-08 |
Positioned Ethereum (ETH) and Bitcoin (BTC) as main assets, shifting to a new financial strategy utilizing blockchain assets. |
| 2025-09 |
1. Signed investment agreements with ARK Invest and SIG. > ARK Invest: Global asset management firm founded by Kathy Wood, with investments in blockchain and AI-related companies. > SIG: US-based private investment firm, a trading participant on the Tokyo Stock Exchange, with investments in Strategy Inc, Coinbase, TikTok, etc. Became Japan's first listed company to disclose ETH holdings. |
| 2025-09 |
Signed investment agreements with ARK Invest and SIG. |
| 2025-09 |
Disclosed ETH holdings, becoming Japan's first listed company to do so. |
| 2025-09 |
Welcoming overseas institutional investors and strategic partners including ARK Invest and Susquehanna International Group, strengthening our network in capital markets and strategic foundation for future AI infrastructure business |
| 2025-10 |
1. Began receiving funds based on investment agreements and intensified ETH acquisition. 2. Rapidly expanded ETH holdings, establishing itself as the world's second-largest ETH digital asset treasury after US-listed companies. 3. Kathy Wood, founder, CEO, and CIO of ARK Invest, mentioned Quantum's DAT strategy as a major investor, increasing attention. |
| 2025-10 |
Expansion of capital and acceleration of ETH accumulation |
| 2025-10 |
Commencing receipt of funds based on investment contracts and intensifying ETH acquisition |
| 2025-10 |
Rapidly expanding ETH holdings and establishing position as the world's largest ETH digital asset treasury excluding US-listed companies |
| 2026-03 |
Publishing progress on AIDC business and clarifying project preparation status |
| 2026-05 |
Resolutions at the board of directors to continuously promote AI infrastructure / AIDC business as one of the company's medium- to long-term growth strategies |
| 2026-07 |
Reaching basic commercial terms with Terustra Japan for securing approximately 3MW high-density data center capacity in Japan |
