Coincheck is a Japanese bitcoin wallet and exchange service headquartered in Tokyo, Japan, founded by Koichiro Wada and Yusuke Otsuka.

[4] Coincheck is a member of JBA (Japan Blockchain Association) and is actively helping to build the Japanese bitcoin community's usage standards with the government.

Coincheck partnered with SEKAI to support Chinese, Hong Kong, and Taiwan investors to buy Japanese real estate with bitcoin.

[11] As of February 2021, the Tokyo Public Prosecutors Office has charged 31 individuals for their involvement in transactions of stolen NEM tokens.

The company also implemented new security measures, including enhanced KYC (know your customer) procedures, a review of its management system, and the strengthening of its internal control framework.