The Japanese parliament has approved a landmark revision of its main financial markets law, which now includes crypto assets under regulatory rules, penalties for insider trading, and greater control over companies in the sector.

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Japan has just taken a significant step in regulating cryptocurrencies . The country's parliament approved an amendment to the Financial Instruments and Exchange Act — known as FIEA — which will treat digital assets with the same rigor applied to other traditional financial products, such as stocks and investment funds.

According to Cointelegraph.com News , the revised legislation introduces, among other measures, specific rules against so-called insider trading in the cryptocurrency market — a practice in which someone uses privileged information to gain an advantage in transactions — as well as more severe penalties and new oversight requirements for companies operating with cryptocurrencies in the country.

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What changes with the new legislation?

The amendment represents a shift in the Japanese government's stance on digital assets . Until now, cryptocurrencies were primarily regulated by the Payment Services Act, which focused on aspects such as custody and transfer of value—but left significant gaps regarding market integrity.

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Ban on insider trading

The use of insider information to trade cryptocurrencies will become a formal crime, following the same pattern as the Japanese stock market.

Supervision of crypto companies

Cryptocurrency exchanges and other service providers will face new compliance and accountability requirements from regulatory authorities.

Stricter penalties

Fines and penalties for irregular practices in the cryptocurrency market will be expanded, bringing them closer to the punishments foreseen for the conventional financial market.

Classification within FIEA

Cryptocurrencies are now being treated as formal financial instruments under the umbrella of Japan's main capital markets law.

Why does this matter to the global market?

Japan has historically been one of the most important cryptocurrency markets in the world. It was one of the first countries to create a licensing system for cryptocurrency exchanges, back in 2017, after the collapse of Mt. Gox. The new law reinforces this regulatory leadership.

Context: Japan as a regulatory benchmark

Countries around the world are watching Japanese regulatory decisions closely. When one of the world's largest economies establishes clear standards for crypto assets, it tends to influence legislative debates in other markets—including Brazil, where regulation of the sector is still under development.

For cryptocurrency investors and users, the most important signal is that governments around the world are progressively integrating digital assets within existing legal frameworks for the financial market—which may bring more transparency and security, but also more compliance requirements.

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Japan approves law that reduces tax on cryptocurrencies.

The Japanese parliament has approved a law that officially recognizes crypto assets as financial products and drastically reduces the maximum tax rate on gains from 55% to around 20%.

Japan has taken a significant step in regulating digital assets. The country's parliament has approved legislation that, for the first time, formally classifies cryptocurrencies as financial products within the Japanese legal framework. This change paves the way for more predictable and much less burdensome taxation for investors and companies in the sector.

According to The Block , the approved amendments establish the legal basis for cryptocurrency gains to be taxed separately, at a rate of approximately 20% — a significant drop from the previous maximum rate of 55% under the miscellaneous income classification.

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What changes in practice for investors?

Until then, profits from trading cryptocurrencies in Japan were classified as miscellaneous income , the same category used for lottery winnings and occasional bonuses. This meant that, depending on the taxpayer's total income bracket, the tax could reach half of the profit earned.

With the new law, capital gains from cryptocurrencies will have their own regime, with a fixed tax rate of around 20% — similar to the treatment given to stocks and other traditional financial instruments in the country. The measure is seen as an incentive for institutional investors and individuals to participate in the market with greater legal certainty.

Previous rate

Up to 55% on gains from crypto assets, classified as miscellaneous income — one of the highest tax burdens in the world for the sector.

New rate projected

Approximately 20% on gains, under a separate tax regime — aligned with the treatment given to stocks and traditional financial products.

New legal status

Cryptocurrencies are now formally recognized as financial products within the Japanese regulatory framework.

Global context

The decision brings Japan in line with other developed economies that have already adopted specific tax regimes for digital assets.

Why does this matter beyond Japanese borders?

Japan has historically been one of the most important cryptocurrency markets in the world—it was one of the first countries to regulate exchanges, back in 2017. When the country adjusts its legislation, the move usually influences regulatory discussions in other nations, including Brazil. The approval of this law reinforces a global trend of integrating crypto assets into the conventional financial system.

A long-term movement

The approval of the law is the result of a debate that lasted for years within the Japanese government and industry. Crypto industry associations in the country had been pushing for changes since at least 2022, arguing that excessive taxation was driving both foreign investors and local talent away to jurisdictions with more favorable rules.

The new legislation will still need to be regulated in detail by the relevant authorities before it fully comes into effect. Even so, parliamentary approval represents a formal milestone in Japan's relationship with digital assets .

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