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OpenAI has granted some of Japan's largest banks access to its newest GPT-5.5 model for cyber defense, Finance Minister Satsuki Katayama said Friday. Key Points: OpenAI has opened access to its GPT-5.5 model for some Japanese banks to help blunt cyberattacks, the finance minister said Friday. MUFG,

Japan's largest lenders are preparing for a wave of AI-driven cyberattacks expected this autumn, as the arrival of a powerful new hacking tool, Anthropic's new artificial intelligence model, Mythos, reshapes their digital defense plans. Anthropic Mythos Sparks Bank Alarm The country's top three bank

Japan's cabinet approved a bill on Apr. 10 classifying cryptocurrencies as financial instruments under the amended Financial Instruments and Exchange Act that subjects digital assets to the same regulatory framework as stocks and bonds. Japan's Crypto Reclassification The legislation marks a formal

Japan's Financial Services Agency submitted a landmark bill to parliament this week that would reclassify crypto assets as financial instruments, a move that coincides with new tabloid allegations that Prime Minister Sanae Takaichi's office may have known about the Sanae Token memecoin project befor

Rising yields on Japanese government bonds are driving institutional investors to shed risk assets including Bitcoin (BTC), with roughly ¥390 Trillion (approximately $2.6 Trillion) in bond holdings now exposed to heavy unrealized losses that could force further liquidation across global markets. Jap