Japan Tightens Crypto Rules: Insider Trading Ban and New Oversight Measures by 2025

October 15, 2025
Japan Tightens Crypto Rules: Insider Trading Ban and New Oversight Measures by 2025
  • Japan’s self-regulatory body, JVCEA, has struggled with enforcement due to limited powers, prompting the government to strengthen regulatory authority and oversight.

  • This move involves transitioning from the Payment Services Act to the more comprehensive Financial Instruments and Exchange Act, fostering a transparent and competitive crypto environment.

  • The potential appointment of Sanae Takaichi as Japan’s next prime minister could bring a more progressive stance toward technological innovation, including blockchain and crypto industries, and support clearer token classifications.

  • Political support for digital infrastructure is strengthening, with Takaichi advocating for innovation within a regulated framework, which could boost investor confidence.

  • The reform involves updating the Financial Instruments and Exchange Act by 2026, with oversight from the Securities and Exchange Surveillance Commission and the Financial Services Agency, and the establishment of a new Crypto Bureau.

  • Once enacted, the new legislation will enable authorities to monitor crypto protocols, exchanges, and decentralized networks, including mandating automated monitoring systems.

  • Recent insider trading incidents, such as a whale profiting $190 million during market volatility, have heightened concerns about criminal activities in crypto trading, emphasizing the need for stricter oversight.

  • These regulatory reforms are driven by incidents like a whale exploiting unannounced tariff policy information, highlighting the urgency for tighter controls.

  • Japan's efforts aim to enhance investor protection, prevent scams, and foster a safer, transparent digital asset market, potentially serving as a model for other countries.

  • Japan's financial authorities are planning to introduce regulations that explicitly prohibit insider trading in cryptocurrencies, addressing a legal gap under the current Financial Instruments and Exchange Act.

  • These amendments will empower the Securities and Exchange Surveillance Commission to investigate suspected insider trading cases and recommend penalties, with violators facing fines or criminal charges based on the severity.

  • The Financial Services Agency (FSA) aims to finalize these regulatory details by the end of 2025 and submit them to parliament during the next year's regular session.

  • Despite the challenges, authorities are working to establish clear definitions and investigation procedures to ensure fair enforcement across various tokens and platforms.

Summary based on 12 sources


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