Mercoin Launches Trading for Coincheck Assets on the 'Mercari' App

Mercoin, a subsidiary of Mercari, Inc. that plans and develops services related to crypto assets and blockchain, began offering a service on June 8, 2026, allowing customers to trade 12 different crypto assets—including Shiba Inu and Dogecoin—directly within the Mercari app. The 12 newly tradable assets are those handled by 'Coincheck,' a crypto asset trading service operated by Coincheck, Inc., enabling users to conduct transactions with Coincheck via the Mercari interface.

This service is based on the business partnership agreement between Mercoin and Coincheck announced on August 5, 2025.

Background of the Service Under the Mercari Group mission of 'circulating all value and expanding possibilities for everyone,' Mercoin launched its crypto asset trading service in March 2023. In approximately three years, cumulative accounts have surpassed 4 million, with roughly 90% of users being crypto beginners, successfully broadening adoption among those who had not previously engaged with crypto.

While the number of domestic crypto accounts has steadily increased to about 14 million, there is still significant potential for market expansion compared to the number of domestic securities accounts and NISA accounts. Moving forward, the companies aim to leverage their respective strengths to further increase the number of crypto holders and contribute to the growth of the entire industry.

Service Overview The service enables users to conduct transactions for 12 specific crypto assets handled by Coincheck. A key feature is the ability to use sales proceeds (Merpay balance) obtained from selling unnecessary items on the Mercari app to trade a variety of crypto assets starting from just 1 yen. Purchased crypto can be sold at any time to revert back into the Merpay balance, which can then be used for payments on the Mercari app, online stores, or at brick-and-mortar shops.