Announced details
Crypto-asset trading, points programs, customer loyalty programs, payment services, financial services, non-custodial wallets, digital assets and embedded financial services
No. 1 in Japan by downloads among crypto-asset trading apps in the first half of 2026
No. 1 in Japan by downloads in the first half of 2026. App downloads ranked No. 1 in Japan for 7 consecutive years through December 2025.
コインチェック株式会社 entered into business partnership agreements with Credit Saison Co.,Ltd. and KDDI Corporation. KDDI Corporation, au Financial Holdings, Inc. and コインチェック株式会社 jointly formed a new company. Collaboration with Mercoin, Inc. has begun.
The addresses, representatives, stated capital and years of establishment of Credit Saison Co.,Ltd., KDDI Corporation, au Financial Holdings, Inc. and Mercoin, Inc. are not disclosed.
Crypto-asset exchange service registration: Director-General, Kanto Local Finance Bureau No. 00014
27th Floor, SHIBUYA Side, Shibuya Sakura Stage, 1-4 Sakuragaoka-cho, Shibuya-ku, Tokyo 150-6227, Japan
In this announcement the company addresses none of Contract Value / Offering price / Impact on Business Performance.
AppTweak (scope: crypto-asset trading apps in Japan; period: January 2026–June 2026)
| Item | Details |
|---|---|
| Names of Products / Services Covered | Coincheck app, Coincheck CaaS, Eikyufumetsu Points crypto-asset exchange service, Non-custodial wallet within au PAY, Crypto-asset trading on the Mercari app |
| Counterparty | Credit Saison Co.,Ltd., KDDI Corporation, auフィナンシャルホールディングス株式会社, Mercoin, Inc. |
| Counterparty overview | The addresses, representatives, stated capital and years of establishment of Credit Saison Co.,Ltd., KDDI Corporation, au Financial Holdings, Inc. and Mercoin, Inc. are not disclosed. |
| Relationship with the Company | コインチェック株式会社 entered into business partnership agreements with Credit Saison Co.,Ltd. and KDDI Corporation. KDDI Corporation, au Financial Holdings, Inc. and コインチェック株式会社 jointly formed a new company. Collaboration with Mercoin, Inc. has begun. |
| Launch date | 29 June 2026 (Eikyufumetsu Points crypto-asset exchange service; actual) / 8 June 2026 (integration with the Mercari app; actual) / Coincheck CaaS has already launched, but the date is Not disclosed |
| Applicable area | Crypto-asset trading, points programs, customer loyalty programs, payment services, financial services, non-custodial wallets, digital assets and embedded financial services |
| Registration number and expiry date | Crypto-asset exchange service registration: Director-General, Kanto Local Finance Bureau No. 00014 |
| Location | 27th Floor, SHIBUYA Side, Shibuya Sakura Stage, 1-4 Sakuragaoka-cho, Shibuya-ku, Tokyo 150-6227, Japan |
| Quantitative Effects | No. 1 in Japan by downloads among crypto-asset trading apps in the first half of 2026 |
| Usage history | No. 1 in Japan by downloads in the first half of 2026. App downloads ranked No. 1 in Japan for 7 consecutive years through December 2025. |
| Source | AppTweak (scope: crypto-asset trading apps in Japan; period: January 2026–June 2026) |
Items this document does not state (7)
These are items the company does not state in this document. We do not leave them blank, nor fill them in from other sources or by inference.
The reasons the company gives
The company's own explanation, not something inferred from the numbers.The company continues to improve the app to make it easy for people with no prior experience in crypto-asset trading to purchase crypto assets, while expanding access to crypto assets through collaboration with partner companies.