v3.26.1
Related parties (Tables)
12 Months Ended
Mar. 31, 2026
Related Party [Abstract]  
Related Party Transactions
Below are the related-party balances as of March 31, 2025 and 2026:
(Unit: In millions)
Type of related partyName of related partyDetail of transactionOutstanding balance as of
March 31, 2025March 31, 2026
Subsidiaries of parent companyMonex Finance Corporation
Borrowing(3) (4)
751 2,524 
Associates of parent companyMonex, Inc.Partnership program revenue
Below is the related-party transaction impact on the consolidated statements of profit or loss and other comprehensive income for the year ended March 31, 2024, 2025 and 2026:
(Unit: In millions)
Type of related partyName of related partyDetail of transactionFor the fiscal year ended March 31,
202420252026
Parent companyMonex Group, Inc.
Business management service fee(2)
¥458 ¥397 ¥— 
Subsidiaries of parent companyMonex Finance CorporationInterest expense— 21 144 
Associates of parent companyMonex, Inc.
Transaction revenue(1)
847 6,396 8,314 
Cost of sales(1)
844 6,377 8,555 
Partnership program revenue26 42 42 
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(1) Certain of Coincheck’s related parties purchase or sell crypto assets on Coincheck’s Marketplace platform. The transactions for the years ended March 31, 2024, 2025 and 2026 were made on terms equivalent to those that prevail in arm’s-length transactions. The Company recognized the corresponding transaction revenue amounting to ¥847 million, ¥6,396 million and ¥8,314 million for the years ended March 31, 2024, 2025 and 2026, respectively.
(2) Business management service fee represents the consideration for guidance and support on general management and other consulting services provided by Monex, the parent company of Coincheck (prior to the Business Combination). The services included support on registration of cryptocurrency exchange business and negotiation with the Financial Services Agency necessary for continuing registration, assistance in cyber security risk management, and maintaining relationships with relevant financial institutions. According to the business management service fee agreement, the consideration was calculated based on 5% of Coincheck’s total revenue net of cost of sales (variable fees). This agreement was terminated in November 2024.
(3) Coincheck entered into a line of credit of ¥6,000 million and ¥5,000 million with Monex Finance Corporation, with aggregate commitments as of March 31, 2025 and 2026, respectively. There is no outstanding balance under this arrangement as of March 31, 2025 and 2026, respectively. The interest rate under this was 1.75% for the year ended March 31, 2024, 2025 and 2026, respectively. On September 1, 2025, Coincheck entered into a ¥500 million subordinated loan with Monex Finance Corporation. The loan carries a fixed interest rate of 9.5% and has a maturity date of September 30, 2027.
(4) Coincheck Parent entered into a line of credit contract for ¥2,554 million ($16 million, denominated in U.S.dollars), as debtor, with Monex Finance Corporation for the purpose of operating capital as of March 31, 2025 and 2026, respectively. The balance outstanding under this was ¥751 million and ¥2,024 million as of March 31, 2025 and 2026, respectively. The interest rate under this was 5.69% and 5.92% for the years ended March 31, 2025 and 2026, respectively.
The compensations for key management personnel are as follows:
For the fiscal year ended March 31,
(In millions)202420252026
Short-term employee benefits¥66 ¥291 ¥353 
Termination benefits— — 282 
Share-based payments— — 283 
Total¥66 ¥291 ¥918 
Listing of Consolidated Subsidiaries The following is a list of the Company’s significant consolidated subsidiaries as of March 31, 2026.
Name of subsidiary Place of incorporation and operation Contents of business Percentage of voting rights held by the Company
Coincheck, Inc.JapanProvides end-to-end crypto asset exchange services and operates a multi-cryptocurrency marketplaces.100 %
CCG Administrative Services, Inc. USProvides certain administrative services for Coincheck Group N.V.100 %
Next Finance Tech Co., LTD.JapanProvides staking service.100 %
Aplo SASFranceProvides a digital asset prime brokerage that serves institutional crypto investors100 %
3iQ Digital Holdings, Inc.CanadaHolding company of 3iQ Corp. 99.8 %
3iQ CorpCanadaInvestment fund manager of funds listed in Canada99.8 %