Japan just cut its crypto tax from 55% to 20%

Japan's parliament has officially enacted legislation moving crypto regulation under the Financial Instruments and Exchange Act (FIEA). The bill cleared the Upper House on July 15 after passing the House of Representatives and the Finance and Banking Committee last month. Notably, this is not a crypto-only bill: per Nikkei, the same legislation also overhauls corporate sustainability disclosure requirements.

Right now, cryptocurrency profits count as miscellaneous income in Japan, pushing rates as high as 55% for larger gains. The reform sets a path toward a flat 20.315% separate taxation rate, inclusive of national income tax, a surtax and local inhabitant tax, as outlined in Japan's 2026 Tax Reform Proposals. That rate is drawn from the December 2025 Tax Reform Outline, not the FIEA bill itself, a distinction the editor feedback flags as important.

Two Timelines, Not One

Most coverage has blurred a critical distinction between two separate legislative tracks. The tax change is dependent on the FIEA reclassification taking effect, which is set for fiscal 2027, with the new 20% rate applying from January 1, 2028. In practice, institutional product availability comes first; retail tax relief follows the year after.

The reduced rate is also not universal. The 20% rate only applies to specified crypto assets, meaning tokens listed on and traded through businesses registered in Japan's Financial Instruments Business Operator Registry. Bitcoin, Ethereum and approximately 105 other crypto assets listed on FSA-approved platforms are expected to qualify. Tokens traded on unregistered or foreign exchanges, DeFi yields, staking rewards and liquidity pool income remain taxed as miscellaneous income at up to 55%. Investors should also note that losses on qualifying assets can be carried forward for three years to offset future crypto gains on specified assets.

Stablecoins and NFTs stay under the existing Payment Services Act for now, keeping their oversight separate from the new securities-style structure.

New Rules, Sharper Teeth

The changes move Japan's crypto regulation away from the Payment Services Act, which treated digital assets primarily as payment instruments, and introduce insider trading rules and stronger oversight for crypto businesses. That framework dates to 2017 and was shaped significantly by the 2018 Coincheck hack, which accelerated calls for a more robust investor protection regime.

Japan's revisions increase the consequences for firms conducting business without the required registration. Per Nikkei, the maximum prison term rises from three years to ten years, and fines increase from roughly 3 million yen to around 10 million yen. Insider trading violations could lead to penalties of up to five years in prison, fines of up to 5 million yen, or both.

The reclassification also clears a structural path for spot $BTC exchange-traded funds in Japan. A domestic Bitcoin ETF cannot begin trading solely because this bill passes. The FSA states that Japan must separately amend the enforcement order under the Investment Trust and Investment Corporation Act before investment trusts can hold eligible crypto assets directly. That timing opens a path for spot Bitcoin ETFs to list on the Tokyo Stock Exchange, with some estimates pointing to late 2027 or 2028 for actual trading to begin.

Sources:
Crypto Briefing: Japan approves bill to reclassify crypto, slashes tax rate to 20%
Cryptopolitan: Japan's 20% crypto tax bill advances through House, opens doors for ETFs
PwC Japan: Financial Services Tax News, Japan 2026 Tax Reform Proposals (December 2025 Outline)