Bitcoin Japan Corporation
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Bitcoin Japan Corporation is publicly traded on JPX under ticker 8105.T.
Bitcoin Japan Corporation is a Tokyo-based listed company that operates at the intersection of digital assets and artificial intelligence. The company pursues a dual strategy: building a treasury of bitcoin as a strategic reserve while making investments across the AI infrastructure ecosystem, from data and compute access to model development and financial intelligence. Founded in 1861 as Marusho Hotta Co., Ltd., the firm has reinvented itself for the digital age and is headquartered in Tokyo, Japan.