Sony has added a $13 million investment to its partnership with Startale, signaling a longer-term infrastructure strategy, a year after Soneium’s mainnet debut.
Japan News

Located in East Asia, Japan is a top 20 country in the world in terms of population. Japan has the third-largest economy by nominal gross domestic product and the fourth-largest economy by purchasing power parity. Tokyo is the country’s capital. Bitcoin in Japan has a notable following, as does cryptocurrency and blockchain as a whole.
The country’s regulators have deemed Bitcoin an approved money type. Japan hosts a number of crypto exchanges, and the country has regulatory requirements around the industry, creating a scene more favorable for compliant crypto-asset entities. Bitcoin’s anonymous creator, Satoshi Nakamoto, is thought to be from Japan, although little is confirmed about Nakamoto’s identity.
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BitMEX founder Arthur Hayes says the yen is weakening while Japanese government bond yields are rising, which could lead to Japanese investors selling US Treasuries.
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The partnership targets Bitcoin treasury management for Japanese companies using Rootstock-based tools, including rBTC and RIF.
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Japanese Bitcoin treasury company Metaplanet has hiked its 2025 revenue and profit guidance, forecasting a near doubling of sales in 2026 as its BTC income and treasury strategy scale up.
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Japan’s financial regulator is weighing rule changes that could allow crypto assets to qualify for ETFs, signaling a possible shift in retail access.
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BTC price faces pressure as markets brace for a sustained rise in long-term yields driven by economic deficits, particularly in Japan.
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Technical charts highlight improving fundamentals in Bitcoin and select altcoins, but bears selling the range highs and softening investor sentiment threaten to snuff out the recovery.
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Bitcoin erased its gains for the month and fell below $88,000 as crypto markets shed $225 billion, with analysts linking the crash to a “sell America” trade and Japanese bond market woes.
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Sygnum predicts US crypto regulation will spur sovereign Bitcoin reserves and accelerate tokenized bond issuance by major financial institutions in 2026.
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Japan’s finance minister signaled that crypto’s future lies inside regulated exchanges as Japan advances tax, disclosure and market reforms.
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The Japanese yen is commonly used by macroeconomic investors to carry out levered bets because of its artificially low interest rates.
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Metaplanet added 4,279 BTC to take its treasury to 35,102 BTC, as its Bitcoin Income Generation business beat forecasts.
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Bybit will phase out services for Japan-based users starting in 2026, following earlier steps to halt new registrations.
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Japan’s largest corporate Bitcoin holder approved preferred shares with dividends, signaling a shift toward income-focused institutional capital.
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Bitcoin continued to sell near $90,000 as investors reacted to weak US jobs data and slowing economic growth by shifting into safer assets.
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