20% off trading fees for life
Code OK66688 is linked to your account at sign-up, so spot and USDT-margined futures fees are charged at the discounted rate. No expiry, nothing to claim each month.
Calculate your savings
Open an OKX account the right wayOpening an OKX account takes four steps. Enter referral code OK66688 at sign-up and OKX charges you 20% less on every spot and futures trade, automatically. No cashback groups, no one else touching your money.
All rewards are issued and calculated by OKX. This site only explains the rules and provides the code. We never touch funds, never sign up or verify for you, and never ask for your password or codes.
Code OK66688 is linked to your account at sign-up, so spot and USDT-margined futures fees are charged at the discounted rate. No expiry, nothing to claim each month.
Calculate your savingsComplete verification, a first deposit and a first trade to open mystery boxes and claim trial funds in the Rewards Hub. Campaign pages list boxes of up to 60,000 USDT; most users receive small amounts.
Compare sign-up bonusesAfter sign-up your funds sit only in your own OKX account. Neither this site nor any referrer can see or move them. OKX publishes proof of reserves you can verify yourself.
What exactly is OKXEvery step happens on OKX's own pages. New to OKX? Start with what it does
Use a button on this site to reach OKX sign-up with OK66688 already filled in. You can verify the address in the OKX app under Official verification.
Sign up with email or phone (or Google / Apple), choose the country you actually live in, set a new password and enter the code you receive.
Upload your own ID and complete the face check. Reviews usually take minutes to a few hours; you need this before depositing or trading.
Set up an authenticator app, an anti-phishing code and a fund password, and note your UID for support and referral checks.
No OKX account yet? Enter OK66688 when you sign up and OKX automatically charges you 20% less on every spot and futures trade, with no one else handling your money
Enter roughly how much you trade per month (buys and sells both count) and how many years you plan to trade. Welcome rewards are paid once; the fee discount applies to every trade.
| Reward | One-off welcome rewards | Referral code OK66688 |
|---|---|---|
| How much | Mystery boxes and trial funds, depending on tasks | Based on your real volume |
| How often | Once, after tasks | Every trade |
| How long | During the campaign | For life |
| Who pays it | You claim it in the Rewards Hub | OKX deducts it automatically |
| Can you get both | Yes | Yes |
Estimated with OKX regular-user fees (spot 0.08% / 0.10%, futures 0.02% / 0.05%) and a 20% discount; buys and sells both count. Actual rates are on the OKX fee page. Reward amounts are shown in the app's Rewards Hub.
You will see “80% cashback” groups and “DM me for rebates” offers. They are not the same as entering a code at sign-up. The difference is who handles the money.
| Sign up directly | Private cashback (groups / individuals) | Sign up with OK66688 | |
|---|---|---|---|
| How you save | You don't | Pay full fees, then wait for a manual transfer | OKX charges 20% less |
| Who handles money | — | A private individual | No one |
| What you hand over | — | Often your UID, screenshots, even your login | Nothing |
| How long it lasts | — | Until they disappear | For life |
| Welcome rewards | Yes | Sometimes they ask for a cut | Yes |
| Can you change it later | Codes can't be added later | Referral links can't be changed | Already active |
People new to crypto worry about the same three things before signing up. Each one has its own guide.
OKX (formerly OKEx) is a global crypto exchange, not a forex broker or an investment app, and signing up does not make you money. What is OKX
OKX does not serve every country. In mainland China, crypto business is illegal and personal investments are not protected by law. Is OKX legal in China
Renting, lending or selling an OKX account, or signing up for a stranger for cash, makes you responsible for whatever flows through it. Can I sell my OKX account
As of 2026-09-29. External news links to its source. For information only, not investment advice.
Well below last year's highs. Pullbacks bring in new sign-ups, but the rule stays the same: spare money only, and buy in small steps.
FortuneOn October 10, 2025, about $19 billion of leveraged positions were liquidated in a day and more than 1.6 million accounts were wiped out. New accounts should skip futures at first.
CoinDeskOKX will present product updates alongside its developer hackathon finale. Expect fake “official airdrop” and “new app version” links around the event.
Traders UnionCrypto business activity remains illegal in mainland China and offshore platforms may not serve mainland residents. Check your local rules first.
Is OKX legal in China“Your account is locked, click here”, “support will help you close your account”, “pay a deposit to withdraw” are all scams. Got a code you never asked for? Start here.
Got a code you didn't requestComplete verification, a first deposit and a first trade to open boxes; most users receive small amounts. You can claim them and keep the fee discount.
Compare sign-up bonusesWhat OKX actually is, whether it is legal in China, why accounts must never be lent, what to do about unexpected codes, which sign-up bonus is worth it, and what a UID is.
What the OKX app is used for, what OKX stands for, who owns it, whether it is publicly traded, and whether “OKX makes easy money” is true.
Rules · China 2026What China's 2026 Notice No. 42 says, whether individuals can be prosecuted, and why OKX is not “state-approved”.
Sensitive · Money mulesAccount buyers, “sign up for me and I'll pay you” offers, money mules, and what to do if someone withdrew your funds.
Anti-scam · Is this text realWhy it happens, how to check if an OKX text or email is real, fake apps, plus a message checker.
Rewards · Free crypto scamsTypes of welcome rewards, “free crypto for signing up” scams, and one-off bonuses vs a lifetime fee discount.
After sign-up · UIDWhere to find your UID, sending crypto by UID, whether it is safe to share, and how to confirm your referral code applied.
Enter OK66688 when you sign up and OKX permanently discounts your spot and futures trading fees by 20%. It is not cashback from a person; the platform simply charges less.
Open the OKX sign-up page, register with email or phone, set a password, enter the verification code, check the referral code, verify your identity and set up 2FA.
Yes. Signing up and verifying are free; you only pay fees when you trade.
No. Referral codes can only be entered at sign-up and existing referral links can't be changed.
The risk is that money passes through a private person: you pay full fees and wait for them to send part back, and they can vanish. Never give anyone your login.
Spot and futures trading fees. Earn products, dual investment and loans don't charge trading fees, so there is nothing to discount.
Yes. Using a referral code does not affect new-user tasks or mystery boxes.
Open the OKX app and tap your avatar in the top-left corner. The number under your nickname is your UID.
No. This is an independent website with sign-up guides. We don't sign up or verify for you, give signals or handle money. We may earn a commission if you sign up through our links, at no extra cost to you.
20% off spot and futures fees for life, applied automatically by OKX. Welcome rewards stay available.