SBI Holdings has invested $50 million in Circle, the issuer of the USDC stablecoin, as part of a strategic initiative to enhance the adoption of USDC in Japan. The investment accompanies the establishment of a joint venture between the two companies, aimed at promoting the use of USDC within the Japanese market. This move is expected to strengthen the presence of USDC in Japan, leveraging SBI's local expertise and Circle's stablecoin technology.