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Japan is preparing blockchain infrastructure for near-instant settlement of stocks and government bonds, targeting a market with about 1,166.7 trillion yen in sovereign debt. Key Points: Japan’s proposed system could replace T+2 settlement for stocks and T+1 settlement for Japanese government bonds

Japan confirmed Monday it bought yen alongside the U.S. Treasury last week, the first joint currency action since 2011, with Bitcoin (BTC) holding near $63,000. Key Points: Japan's Finance Ministry said it conducted coordinated yen-buying intervention with the U.S. Treasury on Friday, the first join

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