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August 1, 2017: Temporary suspension of Coincheck services

Important Notice

On August 1, 2017, we may temporarily suspend Bitcoin deposit and withdrawal for Coincheck exchange and payment services to protect users assets.

Suspention date and time
August 1, 2017 12:00 AM (JST)


Services that will be affected
・Coincheck Payment


Features that will be affected
・Bitcoin deposit and withdrawal
・Payment feature
・Sending Bitcoin from wallet other than Coincheck Wallet (Receiving with Coincheck Wallet)
・Sending Bitcoin to wallet other than Coincheck Wallet(Sending from Coincheck Wallet)



About deposit and withdrawal


Please be careful not to deposit funds from “External Wallet” to “Coincheck wallet” after 12:00 am on August 1, 2017. If you accidentally deposit funds, it will be reflected on your account’s balance when we restart the deposit and withdrawal.

Also, after 12:00 am sending funds to Wallet other than Coincheck Wallet will be suspended as well.


Deposit and Withdrawal Usage
Coincheck→Coincheck Available as usual
External Wallet→Coincheck Please don’t deposit funds after
2017.8.1 12:00 am
Coincheck→External Wallet Suspended after 2017.8.1 12:00 am


・Remittance between Coincheck wallet will be available as usual.
・If you wish to withdraw the funds as soon as possible to wallet other than Coincheck Wallet, we recommend using other cryptocurrencies.

・We may change a number of confirmations necessary for deposit from 3 to 10 before 12:00 am on August 1, 2017.
・In case when we decide that the Bitcoin fork may occur before August 1, 2017, 12:00 am, we may suspend features described above without prior notice before August 1, 2017, 12:00 am. We will make every effort to make advance notice by official SNS.



About resumption of service
The resume date is unspecified, but we expect to resume our services within several hours to several days only when we know that users’ assets are safe for sure. Also, if we decide that a Bitcoin fork will not take place on August 1, 2017, 12:00 am, the suspension of services will not happen. In this case, we will inform you separately by official SNS, blog etc.



About operation of altcoin exchange (Virtual currency other than bitcoins)

We are planning to keep suspension of services as minimal during Bitcoin fork event. However, since there is a possibility where we can’t send funds to our counterparty we may suspend virtual currency exchange without prior notice.



Thank you for your understanding and cooperation.
Moreover, the price of virtual currencies may fluctuate significantly during the event of Bitcoin fork.
Please be extra careful when trading.




※All date and time indicated in this blog are in JST.


Coincheck Cryptocurrency Exchange