bitFlyer Achieves 10 Consecutive Years of No. 1 Domestic Bitcoin Trading Volume; "Spring Bitcoin Festival" Also Held

Tokyo, Japan – April 3, 2026 – bitFlyer, Inc. (Headquarters: Minato-ku, Tokyo; Representative Director: Yuzo Kano; hereinafter referred to as "the Company") has achieved No. 1 in annual Bitcoin (BTC) trading volume among domestic crypto asset exchange operators for 10 consecutive years from 2016 to 2025. To commemorate this milestone, the Company will hold a five-week campaign titled "Spring Bitcoin Festival" starting Friday, April 3, 2026.

[Image: Campaign visual is present here]

**Regarding 10 Consecutive Years of No. 1 Bitcoin (BTC) Trading Volume**

The Company recorded the highest domestic volume in Bitcoin trading from January 1, 2025, to December 31, 2025.

This extends our consecutive record since 2016, marking our achievement of No. 1* for 10 years in a row.

We believe this result is a testament to the support we have received from our many customers over the years, reflecting the high liquidity and excellent trading environment we provide.

Moving forward, we will continue to strive to provide an environment where customers can trade with peace of mind, and to improve and expand our trading functions and service quality.

* Compiled by the Company based on data published by JVCEA and various crypto asset exchange operators (annual trading volume including contract-for-difference and futures trading, 2016–2025).

**Survey Overview**

| Survey Item | Details |
| :------------------- | :------------------------------------------------------------------------------------ |
| Target Coin | Bitcoin (BTC) |
| Survey Period | 2016 – 2025 |
| Transaction Types | Annual trading volume including spot trading, contract-for-difference, and futures trading |
| Target Market | Domestic crypto asset exchange operators |
| Aggregation Method | Calculated by the Company based on JVCEA and each company's published data |

**Regarding the "Spring Bitcoin Festival"**

This campaign, celebrating the achievement of 10 consecutive years of No. 1 domestic Bitcoin trading volume, will deliver benefits enjoyable for both those who currently hold Bitcoin (BTC) and those who are just starting out, over five consecutive weeks.

Details of each week's campaign will be sequentially released on the official website or official X (@bitFlyer).

**About the bitFlyer Group**

bitFlyer, Inc. was founded in 2014 with the mission of "Simplifying the world with blockchain." The company offers services including buying, selling, and trading cryptocurrencies, and has achieved the No. 1 domestic Bitcoin trading volume for 10 consecutive years*. Since its founding, the company has operated with an emphasis on security and compliance, providing customers with secure, safe, and user-friendly services. Alongside bitFlyer USA Inc. and bitFlyer EUROPE S.A., the company has expanded its business beyond Japan to the United States and Europe, operating crypto asset exchanges globally. Furthermore, bitFlyer Blockchain, Inc. develops and provides its proprietary blockchain "Miyabi," which is adopted as the foundational system for tokens listed on crypto asset exchanges, among other applications. Moving forward, by leveraging synergistic effects within the group, the company aims to contribute to the social implementation of blockchain technology and the healthy development of the crypto asset market, while striving for No. 1 in Asia.

Official HP: https://bitflyer.com

* Compiled by the Company based on JVCEA and each company's published data (annual trading volume including contract-for-difference and futures trading, 2016–2025).