Japan's Financial Services Agency (FSA) has published a comprehensive report on cryptocurrency regulation, outlining three major areas of concern: insufficient disclosure, weak investor protection, and the speculative risks of memecoins. The report, released in April 2026, is already driving legislative moves to tighten oversight.
Disclosure Gaps: Whitepapers No Longer Reliable
The FSA notes that whitepapers, the primary source of project information, are often vague or become outdated as code evolves, creating a persistent information asymmetry between issuers and users. The agency stated: “It may be necessary to strengthen information disclosure and rules regarding crypto assets.” The authority is considering imposing direct disclosure obligations on issuers rather than relying solely on exchanges, which could curb speculative behavior fueled by incomplete or misleading data.
Investor Protection: Unregistered Platforms and Scams Surge
With retail participation growing, unregistered overseas platforms targeting Japanese investors have proliferated, often promising high returns without regulatory safeguards. The FSA warned: “It may be necessary to enhance user protection through more effective and stringent regulations.” Proposed measures include stricter oversight of advisory services, online investment groups, and seminar-style promotions, while avoiding driving users toward offshore or decentralized platforms.
Memecoin Risks: Expanding the Regulatory Perimeter
Memecoins, often lacking identifiable issuers or economic fundamentals, pose unique challenges due to their high volatility and susceptibility to manipulation. The FSA emphasized: “The need to protect users by regulating a wide range of crypto assets may be high.” This suggests future supervision could extend beyond major assets to include all tokens, with a focus on how exchanges can act as gatekeepers.
Systemic Reform: From Payment Tools to Investment Products
In response, Japan is accelerating a paradigm shift. In December 2025, a working group recommended reclassifying crypto assets like Bitcoin and Ethereum from payment instruments under the Payment Services Act to investment products under the Financial Instruments and Exchange Act. This transition, expected in 2026 legislative amendments, will apply disclosure and market integrity rules similar to those for securities. Concurrently, a tax reform proposal for 2026 seeks to introduce a flat 20% tax rate on crypto gains, replacing the previous miscellane income classification and aligning crypto with traditional financial products.
The FSA concluded: “It is essential to strike an appropriate balance between user protection and promoting innovation.” Japan aims to build a regulatory framework that adapts to the global crypto market while effectively mitigating risks, with differentiated classification and international harmonization as key priorities.