OKX cryptocurrency exchange review

Trade more than 290 cryptocurrencies on one of the world’s largest digital asset exchanges.

OKX is one of the largest cryptocurrency exchanges in the world. Regularly featuring among the top 10 global exchanges by 24-hour trade volume, OKX offers fiat-to-crypto and crypto-to-crypto trading on more than 290 digital currencies. It also offers market maker and taker fees starting from 0.15% and 0.2% respectively, with discounted fees for high-volume traders.

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Crypto is unregulated in the UK; there's no consumer protection; value can rise or fall; tax on profits may apply.


Fiat currencies




Product Name OKX Cryptocurrency Exchange
Fiat Currencies USD, CNY, EUR, ARS, AUD, BGN, BRL, CAD, CHF, COP & 26 more
Cryptocurrencies BTC, ETH, XRP, BCH, EOS, LTC, ADA, XLM, BNB, DAI & 331 more
Deposit Methods Bank transfer (ACH)
Trading Fee Maker: 0.005-0.08%
Taker: 0.02-0.1%
Deposit Fees Fees vary
Withdrawal Fees Fees vary

Must read: OKEx has rebranded to OKX

OKEx rebranded to OKX in January 2022 as it shifts towards a more decentralised model for its cryptocurrency platform.

What is OKX?

OKX is a digital asset trading platform with tools and options designed to suit both beginner and experienced traders. As well as spot trading of cryptocurrencies, it also allows fiat-to-crypto transactions and margin trading.

Founded in 2014 and incorporated in Belize, OKX is operated by OKX Technology Company Limited. The platform announced in April 2018 that it was planning on opening an office on the cryptocurrency-friendly island nation of Malta, offering its services to millions of users in over 100 countries.

Which cryptocurrencies can I buy/sell?

  • Supported fiat currencies: USD, CNY, EUR, ARS, AUD, BGN, BRL, CAD, CHF, COP
  • Supported cryptocurrencies: Approximately 340 cryptocurrencies

Available countries

OKX offers its crypto trading services to users in more than 100 countries around the world, including the UK. However, if you’re unsure whether you’ll be able to access OKX from your country of residence, contact the platform’s support team for more information.

Which payment methods are accepted?

You can deposit funds into an OKX trading account using the following methods:

  • Cryptocurrency transfer
  • Bank transfer
  • Alipay
  • WeChat Pay

However, you’ll need to provide your name, country of residence and proof of ID before you can make a fiat deposit.

How much will it cost me to use OKX?

The tables below outline the maker and taker fees that apply when trading on OKX.

Spot trading

Tier30-day trading volumeMaker feeTaker fee24-hour withdrawal limit
Level 1600 BTC or less0.15%0.2%100 BTC
Level 2601 – 1,199 BTC0.14%0.19%150 BTC
Level 31,200 – 2,399 BTC0.13%0.18%200 BTC
Level 42,400 – 11,999 BTC0.12%0.17%250 BTC
Level 512,000 – 23,999 BTC0.11%0.15%300 BTC
Level 624,000 – 59,999 BTC0.08%0.11%400 BTC
Level 760,000 – 119,999 BTC0.05%0.08%500 BTC
Level 8120,000+ BTC0.02%0.05%1,000 BTC

Are there any transfer limits?

The maximum amount you can withdraw from your OKX account in each 24-hour period varies according to your trading volume, as outlined in the table below.

Tier30-day volume24-hour withdrawal limit
Level 1Less than 600 BTC100 BTC
Level 2600 – 1,199 BTC150 BTC
Level 31,200 – 2,399 BTC200 BTC
Level 42,400 – 11,999 BTC250 BTC
Level 512,000 – 23,999 BTC300 BTC
Level 624,000 – 59,999 BTC400 BTC
Level 760,000 – 119,999 BTC500 BTC
Level 8120,000+ BTC1,000 BTC

Maximum limits also apply to individual transactions and to the amount you can trade each day. The limits for a selection of popular currencies are shown in the table below.

CurrencyTransaction limitDaily limit
Bitcoin100 BTC500 BTC
Litecoin10,000 LTC10,000 LTC
Ether1,000 ETH1,000 ETH
Ethereum Classic10,000 ETC50,000 ETC
Tether500,000 USDT500,000 USDT

Finally, the transaction limit when placing a fiat-to-crypto trade varies depending on the level of account verification you have completed. After submitting your name, country of residence and ID number, you’ll be able to access a single transaction limit of RMB800 (Chinese renminbi). This limit can be raised as high as RMB1,000,000 per transaction by submitting additional information.

Is it safe to use OKX?

You can sign up for an account with OKX simply by providing your email address and creating a password. This allows you to start trading crypto-to-crypto, but if you want to make a fiat deposit or withdraw any funds from your account, you’ll need to provide additional personal details.

OKX also supports a few key features which users can access for additional security, including:

  • 2-factor authentication
  • Mobile verification codes for withdrawal, changing password and security settings
  • Anti-phishing codes with every email from OKX

Whilst crypto trading isn’t regulated in the UK, the Financial Conduct Authority (FCA) maintains a register of crypto firms that have passed its AML and counter-terrorism checks. However, OKX has no UK entity and therefore you won’t find it on the FCA’s register.

Customer support

If you have any problems with your account or have a query about a transaction, OKX offers a handy online support centre with answers to a wide range of frequently asked questions. However, if you can’t find the answer you’re looking for, you can submit an online support request, open a live chat window or email support@OKX.com.

Pros and cons


  • Buy and sell more than 290 cryptocurrencies
  • Margin trading available
  • Desktop client available
  • Competitive trading fees
  • Large trading volume
  • Simple and straightforward trading interface
  • Established company


  • Mobile app still in beta testing phase
  • Margin trading is only for experienced traders and should be avoided by beginners

Disclosure: At the time of writing the author held IOTA and XLM.

*Cryptocurrencies aren't regulated in the UK and there's no protection from the Financial Ombudsman or the Financial Services Compensation Scheme. Your capital is at risk. Capital gains tax on profits may apply.

Cryptocurrencies are speculative and investing in them involves significant risks - they're highly volatile, vulnerable to hacking and sensitive to secondary activity. The value of investments can fall as well as rise and you may get back less than you invested. Past performance is no guarantee of future results. This content shouldn't be interpreted as a recommendation to invest. Before you invest, you should get advice and decide whether the potential return outweighs the risks. Finder, or the author, may have holdings in the cryptocurrencies discussed.

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