Payment Security Guide: Simple Ways to Protect Your Wallet

BeginnerLast Updated June 26, 2026

Mobile payments make everyday life more convenient, but convenience should always come with basic security awareness. This guide walks you through several common payment scams and shows you how to protect yourself with simple, practical steps.

In many cases, payment fraud can be avoided with a few basic precautions. Don’t worry — keeping your payments secure does not have to be complicated.

How Scammers Operate

You may receive an email or text message that looks “official,” claiming there is a problem with your account and asking you to “verify immediately” or “click the link to confirm your identity.” These messages often pretend to come from exchanges, payment platforms, or banks.

Example

A user received an email saying, “Your account will be frozen within 24 hours.” The email looked professional, with a logo and a customer support signature. The user clicked the link and entered their account password. A few hours later, their account was compromised and funds were stolen. It was later discovered that the sender’s email address used a lookalike spelling instead of the real official domain.

Three Ways to Spot It

Check the sender’s email address

Legitimate official emails come from official domains, not free email services such as Gmail or Outlook, and not lookalike domains with similar spellings.

Be cautious of fear-based language

Phrases like “your account will be frozen,” “abnormal payment detected,” or “immediate action required” are commonly used by scammers. Legitimate platforms rarely use threatening or panic-inducing language.

Do not click links directly

Hover over the link with your mouse without clicking to check the real destination. Alternatively, type the official website address directly into your browser and log in from there.

How to Protect Your Payment Account

✅ Enable two-factor authentication (2FA)

In addition to your password, a second verification step is required when logging in, such as a verification code or biometric authentication. Even if your password is leaked, scammers cannot log in without the second factor.

✅ Use a unique password for payment accounts

Do not reuse the same password across multiple websites, especially for payment-related accounts. You can use a password manager to help create and manage strong, unique passwords.

✅ Contact official support when you receive suspicious messages

If you are unsure whether a message is genuine, verify it through in-app support or the official website.

How Scammers Operate

You may receive a call from someone claiming to be “customer support.” The caller may know your name or part of your transaction information. They may claim that there is a security issue with your account and ask you to provide the verification code sent to your phone in order to “protect your account” or “cancel an abnormal transaction.”

Example

A user received a call from someone claiming to be customer support. The caller said a large suspicious payment had been detected and urgent identity verification was required. The scammer asked the user to read out the verification code they had just received. After the user did so, the scammer immediately used the code to log in to the account and transfer the funds away.

Red Flags to Watch For

Real customer support will never ask for:

Your full login password
Verification codes sent to your phone
Your bank card CVV code, the three digits on the back of the card

Common scam phrases include:

“You must verify immediately, or your account will be frozen.”
“A suspicious payment has been detected and needs urgent confirmation.”
“We need your verification code to cancel an incorrect charge.”

How to Protect Yourself

✅ Treat verification codes like payment passwords — never share them

No matter how urgent or reasonable the request sounds, never disclose your verification code to anyone.

✅ Verify the caller’s identity yourself

Hang up and contact the platform through in-app support or the official website. Real customer support will not object to you doing this.

✅ Be alert if you receive an unexpected verification code

If you receive a verification code without taking any action, it may mean someone is trying to log in to your account. Change your password immediately.

How Scammers Operate

Scammers create fake websites that look almost identical to real payment platforms. They then trick users into entering account credentials or completing payment actions on the fake page.

Example

A user searched for “deposit discount” on a search engine and clicked on a sponsored link. The page looked exactly like the official website. After entering their account password, the user’s account was immediately accessed from another device, and their funds were transferred away.

How to Identify It

Carefully check the website URL

Official website: https://www.kucoin.com
Phishing website: https://www.kuco1n.com

Pay attention to page details

Fake websites may contain blurry logos, unnatural translations, broken layouts, or other suspicious details.

How to Protect Yourself

✅ Make payments only through official channels

Deposits, withdrawals, and payment-related actions should be completed only through the official app or official website. Do not use third-party links.

How Scammers Operate

Scammers create fake online stores and attract buyers with unusually low prices. After receiving payment, they either do not ship the goods or send counterfeit or low-quality products. Some scammers may also pretend to be charities or service providers to collect payments.

Example

A user saw a “limited-time sale” advertisement on social media. The listed price was only half of the market price. After the user paid, they either received a poor-quality counterfeit product or received nothing at all. The merchant then became unreachable.

Warning Signs of Fake Merchants

The price is unusually low, such as more than 30% below the normal market price.
The merchant’s information cannot be verified, with no company address or contact details.
The merchant pushes you to pay immediately, using phrases like “only one left” or “offer ending soon.”
Reviews look fake, with only positive comments and very similar wording.

How to Protect Yourself

✅ Verify the merchant before paying

Search for “[merchant name] + scam” to check whether there are complaints or fraud reports.

✅ Use payment methods with protection

Use payment tools that support dispute resolution instead of direct bank transfers. If something goes wrong, you may have a better chance of recovering your funds.

✅ Keep payment records

Save order confirmations, payment records, and chat screenshots. These can be important evidence if you need to file a dispute.

Where the Risks Come From

Public Wi-Fi: When making payments over public networks in cafés, airports, or other public places, your information may be intercepted.
Tampered QR codes: Offline payment QR codes may be replaced by scammers.
Exposed payment codes: Your payment QR code may be photographed or scanned by someone else.

How to Protect Yourself

✅ Avoid making payments over public Wi-Fi

Use mobile data for payment operations, or wait until you are on a secure network.

✅ Confirm the recipient before scanning a QR code

After scanning, carefully check whether the recipient name matches the merchant before confirming the payment amount.

✅ Close your payment code immediately after use

Do not display your payment code in advance. Open it only when making a payment, and close it immediately afterward to prevent others from photographing or scanning it.

✅ Set payment limits

Set limits for single payments and daily payments in your account settings to reduce potential losses.

Check Weekly

Review your payment transaction records and act immediately if you find any unknown transactions.
Check your account login history to confirm that all activity was performed by you.

Maintain Monthly

Review authorized devices and remove devices you no longer use.
Confirm that your linked phone number and email address are still active and accessible.

Act Immediately If You Notice

Unauthorized payment → Contact customer support to freeze your account.
Unknown verification code → Change your password immediately.
Login alert from an unfamiliar location → Check whether the login was performed by you.

Step 1: Stop Further Losses Immediately

Change your account password or contact customer support to freeze your account.

Step 2: Contact the Platform

Report the issue through official channels.
Provide transaction records, time, amount, and other relevant details.

Step 3: Collect Evidence

Save screenshots of all payment records.
Save all communication records with the merchant.
Record the time when you discovered the issue.

Verification codes are payment passwords — never share them with anyone, including “customer support.”
Operate only through official channels — do not click unknown payment links.
Verify the recipient before paying — confirm the identity of the merchant or payment recipient.
Check your account regularly — detect abnormal payments as early as possible.

Payment security is like protecting your wallet. With good daily habits, you can effectively reduce the risk of fraud. If you encounter any payment issue, please contact KuCoin Support immediately through official channels.

Disclaimer: The information on this page may come from third parties and does not necessarily reflect KuCoin’s views. It is provided for general reference only and should not be interpreted as financial or investment advice.

Virtual asset investments may involve risk. Please carefully assess the product risks and your own risk tolerance. For more information, please refer to our Terms of Use and Risk Disclosure.