Japan’s digital asset market is rapidly consolidating under the strict regulatory frameworks of the Financial Instruments and Exchange Act. Japanese financial conglomerate SBI Holdings has reached a definitive agreement to acquire domestic cryptocurrency exchange bitbank for ¥46.7 billion, or approximately $289 million.
The transaction brings bitbank under the corporate umbrella of SBI subsidiary SBICAH GK. Once integrated with SBI’s existing digital division, SBI VC Trade, the combined entity will become Japan’s largest cryptocurrency exchange by total assets.
The newly formed operation will oversee roughly 2.92 million user accounts and a total of ¥1.1 trillion in assets under custody. This $6.8 billion combined reserve allows the SBI ecosystem to overtake domestic rivals bitFlyer and Monex Group’s Coincheck for the top market position.
Founded in 2014, bitbank built its early reputation as a spot exchange with a zero hacking history. By late 2025, the platform held $3.53 billion in customer assets spread across 960,000 accounts. The acquisition represents the latest phase in a long-term strategy by SBI to absorb regional competitors, according to analysis by M&A advisory firm Architect Partners.
SBI has systematically acquired market share over the past six years. The conglomerate purchased TaoTao in 2020, absorbed the accounts of the shuttered DMM Bitcoin in 2024, and completed an absorption merger of Bitpoint Japan in April 2026. Company executives refer to this ongoing expansion as a “triple-play” strategy designed to vertically integrate digital finance from custody vaults to payment rails, a framework recently bolstered by a corporate partnership with Visa.
How the bitbank Acquisition Restructures Japanese Crypto Custody
The ¥46.7 billion purchase shifts the balance of power in Japan’s digital economy from independent tech startups to legacy banking institutions. By combining bitbank with its existing holdings, SBI consolidates the majority of the nation’s retail crypto assets into a single traditional financial conglomerate.
This aggressive vertical integration forces remaining independent operators like bitFlyer and Coincheck to either seek their own institutional backing or compete strictly on specialized trading features. As Japan continues to update its Financial Instruments and Exchange Act to treat digital assets similarly to traditional securities, SBI’s dominance secures its position as the primary intermediary for institutional and retail blockchain adoption in the country.