In the blockchain world, since wallet and deposit addresses (such as USDT-TRC20 or ERC20 addresses) are usually composed of 30 to 40 characters of random gibberish, almost all users habitually use the "copy and paste" function to complete deposits. However, a successful copy does not mean the pasted address is necessarily correct; it is essential to carefully verify whether the transfer address is correct to avoid the risks of "clipboard hijacking/address tampering.”

Platform Recommendation: Switch to “Scan Payment” or “Character-by-Character Comparison”

Develop the following security habits during payments:

1. Prefer “Scan Payment”:
On the deposit page, we provide you with a payment QR code. Please directly use your wallet or exchange app to scan this QR code for payment. The data from scan payment is directly collected by the camera, bypassing the system clipboard, effectively avoiding the risk of clipboard hijacking.

2. Carefully Verify “Middle Segment Characters”:
When displaying addresses, we intentionally highlight the first segment characters in color. After pasting the address, make sure to carefully compare the characters in the middle segment, not just the first and last few characters.

Phenomenon Analysis: Why Does “Address Change After Copying”?

This phenomenon is known as “clipboard hijacking attack” (or Clipper malware).

It is not a problem with the platform system but is due to your device (mobile, computer, or browser) having been infected with malicious malware.

1. How does it happen?

• Step One: You click “Copy Address” on the platform page, and the correct payment address (let's assume it is Address A) is normally written into your mobile or computer's temporary clipboard.

• Step Two: The trojan program lurking in the background of your device (such as disguised input methods, browser plugins, modified third-party software) detects the clipboard change within milliseconds.

• Step Three: After identifying that this is a cryptocurrency address, the trojan instantly replaces the content of the system clipboard with an address owned by the hacker (let's assume it is Address B).

• Step Four: When you click “Paste” in an exchange or decentralized wallet, the pasted address is already the tampered Address B. Once the transfer is made, the funds will directly enter the hacker's wallet, and due to the anonymity and decentralization on the blockchain, these funds can never be recovered.

2. Why does it look “Consistent at Both Ends” but is Still Wrong?

To prevent users from performing rough checks, hackers use the **“Slightly Similar Address (Address Poisoning)”** technique. They leverage computing power to generate thousands of wallet addresses within seconds, selecting one hacker address that “matches the first few characters and the last few characters completely with your correct payment address.”

Since the vast majority of people only check the first 4 and last 4 characters when verifying addresses, it is extremely easy to fall into the trap.

After Infection, How to Thoroughly Investigate and Clean Up?

Once you confirm infection in the above self-test, do not use copy and paste for any transfers. Please take the following measures based on your device type for cleaning:

📱 Mobile (iPhone / Android) Cleaning Guide

1. Change to a Secure Input Method: Clipboard trojans often hide in unofficial third-party input methods. Please uninstall them immediately and switch back to the default input method that comes with your mobile system.

Uninstall Unknown Source Apps:

Android: Check if you have recently installed any apk files via the web (instead of the official app market). Some unofficial Telegram, modified social apps are major sources of malware, please uninstall them immediately.

iOS: Check “Settings” -> “General” -> “VPN & Device Management” for any insecure unofficial configuration profiles installed. If there are any, please delete them immediately.

Run Security Software Scan: Use the mobile's built-in security center to perform a “comprehensive virus and trojan scan” and clean.

💻 PC Cleaning Guide (Windows / macOS)

1. Clean Browser Extensions:

Some browser plugins downloaded from unofficial channels (like ad blockers, web translators, discount comparison plugins) may contain malicious code that reads and alters the clipboard.

2. It is recommended to sequentially disable recently installed browser plugins until the address no longer changes during self-testing.

Check for Pirated or Modified Software:

3. Check if your computer has recently downloaded or run any pirated games, modified Office software, or unknown “VPN/proxy” clients. Trojans can easily be packaged in these files’ activation tools or compressed files.

Full System Virus Scan: Use the system's built-in security center or a reputable antivirus software for a deep scan and to remove the trojan.

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