Japan's most influential blockchain industry body announced Wednesday the formation of a dedicated Taxation Committee to address a gap that has grown more urgent with every stablecoin adoption milestone the country has cleared: thousands of workers are already receiving JPYC yen stablecoins as payroll, merchants are accepting it at retail checkouts, and the country's three largest banks are weeks away from a joint stablecoin launch — yet no formal tax framework governs any of it.
The Blockchain Promotion Council (BCCC), led by Yoichiro Hirano — who founded Japan's first blockchain industry organization in 2016 and has since served as its chairman through a decade of advocacy — announced the new committee with a mandate to compile policy proposals for the National Tax Agency and the Financial Services Agency through regular study sessions and research into international tax trends. The committee's kickoff event is scheduled for September 15 at 4 PM in Tokyo, with venue details to be published on the BCCC's official website.
The timing is not coincidental. Japan's revised Financial Instruments and Exchange Act — enacted by the National Diet on July 15, 2026 — reclassified 105 specified crypto assets as financial instruments under the same statutory framework governing stocks, bonds, and investment trusts, and laid the groundwork for spot Bitcoin exchange-traded funds on the Tokyo Stock Exchange. But the law conspicuously carved out stablecoins and decentralized finance, leaving them under the older Payment Services Act framework with no updated tax guidance. The FSA has committed to finalizing its stablecoin and custody framework by the end of 2026. The BCCC committee now has a clear deadline to produce something worth presenting.
Japan Crypto Reform Left Stablecoins and DeFi Behind
Japan's 2026 overhaul of its crypto regulatory regime was the most sweeping in the country's history. The FIEA reclassification brought 105 specified crypto assets — Bitcoin, Ethereum, XRP, and 102 others — under new securities-style regulatory rules: insider trading restrictions, mandatory issuer disclosures, and penalties for operating without registration rising from a maximum of three years in prison and a ¥3 million fine (approximately $19,000) to ten years and a ¥10 million fine (approximately $63,000). A separate 2026 Tax Reform Outline, also passed this year, outlined a flat 20.315% capital gains rate on eligible crypto assets traded through licensed domestic exchanges — a cut from a progressive system that reaches a maximum effective rate of approximately 55% — with implementation targeted for 2028 through the Japan 2026 Tax Reform framework.
What the reform did not address is equally important. Stablecoins remained classified as Electronic Payment Instruments under the Payment Services Act. DeFi activity — staking rewards, liquidity pool income, yield farming, and lending returns — remained classified as miscellaneous income, taxable at progressive rates reaching 55% regardless of whether the underlying crypto assets are among the 105 reclassified under FIEA. That exclusion was not accidental; it reflected the FSA's stated intent to address stablecoins and DeFi through a subsequent framework, not through the FIEA itself.
The Japan Virtual and Crypto Assets Exchange Association publicly criticized the 2028 timeline for the flat-rate tax — and the ongoing exclusion of DeFi from its scope — too slow. Koichi Kano, Japan head at cryptocurrency market maker QCP Group, called the FIEA reform itself a source of "long-awaited clarity." Both assessments are accurate: Japan has built more crypto regulatory infrastructure than any G7 peer, and is still moving more slowly than its own industry wants.
Stablecoin Payroll Is Already Here — the Tax Framework Is Not
The urgency behind the BCCC committee is not theoretical. Japan's stablecoin market has crossed from pilot to commercial use with no corresponding tax guidance for any of it.
AZ-COM Maruwa Holdings — the ¥230.5 billion (approximately $1.4 billion) logistics company that handles Amazon Japan deliveries — began paying drivers in JPYC stablecoin, Japan's first licensed yen stablecoin, covering 2,300 truck drivers and subcontractors. JPYC, issued by JPYC Inc. after the company received its FSA funds-transfer service provider license in August 2025, launched commercially in October 2025 on Ethereum, Avalanche, and Polygon, and has set a target of ¥10 trillion (approximately $62.8 billion) in circulation within three years. In April 2026, the FSA designated JPYC Inc. as a licensed money transfer service provider. JPYC subsequently raised close to $30 million in Series B funding and added regional banking partners including Hokkaido Bank and Yokohama Bank.
What the 2,300 drivers receiving JPYC as payroll income do not have is formal NTA guidance on how to classify or report it. The National Tax Agency's published FAQ documents on crypto taxation — the most recent released in December 2024 — address crypto trading, staking, and DeFi broadly, but provide no specific guidance on receiving a licensed yen stablecoin as payroll or as payment for services. Japan's Financial Services Agency's own public consultation on stablecoin taxation, announced as part of its end-of-2026 framework process, has not yet produced binding guidance.
The commercial dimension makes the BCCC's mandate broader than a pure investor-tax question. The WEEX Crypto News BCCC report specifically cited the committee's acknowledgment that, beyond traditional investment and holding discussions, there is a need for practical organization related to payments, remittances, fundraising, and reward payments — language that reflects where the market actually is, not where regulators assumed it would be when the stablecoin framework was designed in 2023.
How DeFi Is Taxed Under Current Japanese Rules
For the developers, liquidity providers, and yield farmers that Japan's Web3 policy is explicitly designed to attract, the current tax environment is structurally punishing in ways that the FIEA reform did not address.
Under guidance the NTA has applied in practice since its first crypto FAQ in 2017, depositing tokens into a liquidity pool is treated as a disposal of the original tokens and an acquisition of pool tokens — a taxable event at the prevailing market value in yen at the moment of deposit. DeFi interest, yield farming returns, and liquidity rewards are treated as miscellaneous income when credited to a wallet, not when withdrawn or sold, meaning a participant owes tax on rewards as soon as they are available even if they immediately reinvest them at no gain. These principles are confirmed by Japan DeFi tax analysis from KoinX and TokenTax's Japan guide.
Gas fees tied to taxable transactions are deductible, but losses from DeFi positions cannot be offset against other income categories. The result is an asymmetric tax structure: gains from DeFi activity are taxed in full at progressive rates up to 55% in the year they occur; losses provide no corresponding relief.
These principles, while applied consistently by the NTA, have never been codified in formal regulations — they exist as administrative FAQ guidance, not as statutory rules. That gap creates significant compliance risk for both the Japanese developers Japan says it wants to retain and the foreign Web3 builders Japan is actively recruiting. The BCCC committee has specifically cited profit recognition and valuation methods for DeFi income, as well as transaction data management, as areas it intends to address in proposals to tax authorities.
Megabanks Are Months Away From a Launch With No Tax Playbook
The stablecoin tax gap carries institutional weight that extends well beyond individual traders or logistics contractors.
Japan's three largest banks — Mitsubishi UFJ Financial Group (MUFG), Sumitomo Mitsui Banking Corporation (SMBC), and Mizuho — have established a joint council to issue a yen-pegged stablecoin by the end of Japan's fiscal year 2026, which runs through March 31, 2027. The project, built on the Progmat blockchain infrastructure platform and structured through a trust arrangement with the three banks as joint settlors, targets ¥1 trillion (approximately $6.3 billion) in business-to-business settlement volume by 2028. An FSA-supervised proof of concept began in November 2025 and involved Mitsubishi Corporation's Japanese and overseas offices as the first commercial user, according to Nikkei reporting via Bitget News.
