Contact Support  For Individual Customers For Corporate Customers

* Please enter the address you registered with Coincheck, without omitting any details.
* Please be careful not to make errors in street numbers, building names, room numbers, etc.

* Please enter the address you registered with Coincheck, without omitting any details.
* Please be careful not to make errors in street numbers, building names, room numbers, etc.

* If you are changing your registered phone number, please enter your new phone number.
* Please note that your transactions are temporarily restricted when changing the phone number.

* If there is a change, the response to your inquiry will be sent to the email address you wish to change (please be careful not to enter the wrong address).

* Please check the transaction ID on the service you use for remittance.

* Coincheck defines authentication using an authentication app(e.g. Google Authenticator) as two-factor authentication.

* If you have registered multiple passkeys, all of them will be deactivated.
* What is a passkey?

* For ID selfies, please take a picture holding a note that has "the date you take the picture" and the word “Coincheck” written on it, along with "your identification documents". Make sure your face is clearly visible in the picture.
* What is ID Selfie?
* You can send up to 5 image files (JPEG, PNG, GIF, HEIC) with a maximum size of 2MB per file.

* Please take a screenshot of the screen you are having trouble with and attach it.
* You can send up to 5 image files (JPEG, PNG, GIF, HEIC) with a maximum size of 2MB per file.

* Please attach a photo of the bank transfer statement (in the case of a web statement, a screenshot image) that includes all 6 items below.
* You can send up to 5 image files (JPEG, PNG, GIF, HEIC) with a maximum size of 2MB per file.

* Please take a screenshot of the screen you are having trouble with and attach it.
* You can send up to 5 image files (JPEG, PNG, GIF, HEIC) with a maximum size of 2MB per file.