CEX IOCEX IO is one of the most popular cryptocurrency exchanges currently operating. One of the primary reasons its popularity is that its website provides users with a very easy to use interface.  It is ideal for beginners. And also provides a multi-level account system that is customizable and suitable for both Bitcoin beginners and institutional traders.
CEX.io started out in 2013 in London as a Bitcoin exchange and cloud mining provider. On January 2015 they closed the cloud mining operations. Today CEX.io operates solely as a cryptocurrency exchange. CEX.io is registered with FINCEN and it applies standard KYC (Know Your Customer) and AML (anti-money laundering) which requires users to verify their identity with CEX upon registration. This verification involves providing CEX with an email address, telephone number, setting up a password and then verifying both the telephone number and the email address. CEX provides for a two-factor authentication system, using either SMS, automated phone call or through the Google Authenticator app.

Official website – https://cex.io/


They operate on a different premise to most exchanges in that they will fulfill orders at the offered rate with no exceptions. Otherwise referred to as Fill-or-Kill orders. The advantage of this format is that users have guarantees that they will receive whatever has been agreed immediately and in full.
Other exchanges require users to wait until a seller is willing to sell Bitcoin to the purchaser at the requested price. The upside is of CEX is, therefore, the guarantees and instant nature of the transaction. But these guarantees are subject to a premium price.
To start with CEX.IO, register for an account at the platform’s website. Consider using two-factor authentication with your account, which provides extra security.
After you’ve registered an account and confirmed your email, you can start your bitcoin transfer. Add a payment source and deposit fiat currency, then purchase your bitcoin.


There is no free demo account.


CEX is one of the few exchanges that allow users to withdraw funds onto a credit or debit card. There is a withdrawal limit of €2,000 (or equivalent in other currencies) per day per card, up to a maximum of €50,000 per month. This limit is applicable to all VISA and MasterCard payment systems.  CEX charges a flat rate of $3.80 / £2.90 for credit card withdrawals (plus an additional 1.2% for MasterCard withdrawals).
For bank withdrawals, CEX is pretty expensive, with a flat rate of $50 charged per bank transfer.
For verified customers, CEX offers users the opportunity to withdraw using ‘Crypto Capital’. A private banking fiat capital service based on the blockchain. Withdrawals using Crypto Capital charge only 1% and are the cheapest rates of withdrawal.
This is from their website: ‘Withdrawal requests are processed automatically, right after their placement, and you do not need to log in to third-party services. In most cases, withdrawals are processed instantly, and this will enable you to gain convenient access to withdrawn funds on your Visa/MasterCard right away.’


CEX.IO offers customer support via email at support@CEX.IO. 
CES is well-regarded for its customer support. This is not a traditional strong point of cryptocurrency exchanges. It offers customer support through email as well as an extensive FAQ section.
But many complaints one can find online about CEX’s customer support. It would appear from a number of tests that they are relatively responsive and do take the time to respond to criticism online.

They said about CEX.IO

* They have a great support team, helping and solving problems instantly.. actually when I have a problem, they immediately reply and find a solution.
* Great customer service they solved my problem in just a couple of hours and respond to all my e-mails very fast!!
* The folks here at CeX IO we’re amazing they help me get back into action with no trouble at all I cannot stress as a new person how much this meant to me thank you team

The  screenshots are taken from the official website