pafin Inc. (Headquarters: Chiyoda-ku, Tokyo; Joint Representative Directors: Azmudeh Amin / Gaku Saito), the operator of "Cryptact," an automated cryptocurrency (crypto asset) profit and loss calculation service, has made Gtax Inc. (Headquarters: Chiyoda-ku, Tokyo; Representative Director: Gaku Saito), the operator of the cryptocurrency profit and loss calculation service "Gtax," a subsidiary. Gtax will be integrated into Cryptact in October 2026, unifying the services. Existing Gtax users will be able to seamlessly transition to Cryptact's services while retaining their current usage environment, including login information. By consolidating the expertise and technology cultivated by each company, both aim to become the de facto standard for cryptocurrency profit and loss calculation and tax filing support in Japan. Overview of Service Unification "Cryptact" is a cryptocurrency profit and loss calculation platform used by over 200,000 domestic users. It automatically calculates profits and losses simply by importing transaction data and provides the necessary information for tax filing in a one-stop manner. On the other hand, "Gtax" is an established service that has provided profit and loss calculation and tax processing support for individual investors, tax accountants, and corporate users, with strengths in its accounting journal entry function and user-friendly interface for beginners. Both companies are proceeding with preparations for the service unification scheduled for October 5, 2026 (Mon). After the integration, Gtax users will be able to use Cryptact in the same environment as they currently do, including profit and loss results, transaction data, and login information. The service provision will transition seamlessly, minimizing the burden on existing users. Furthermore, the cryptocurrency tax filing support business "Guardian," previously operated by Gtax Inc., will be taken over and developed by pafin Inc. Members of Gtax Inc. are also scheduled to j