Are you really safe in the dark forest of Web3?

In the world of Web3, decentralization gives us absolute control over our assets, but it also means we need to take on absolute security responsibility. “Not your keys, not your coins” is a saying of wisdom, however, even if you properly safeguard your private keys, some everyday, seemingly harmless operational habits and device permission settings can become “backdoors” for hackers to steal your assets.

Recently, various wallet theft incidents have occurred frequently, a significant portion of which is not due to protocol vulnerabilities but stems from compromises in the user device environment. To help everyone build an unassailable on-chain defense, we combine the official release of the “How to Self-Check Personal Operational Habits and Permission Settings to Avoid Wallet Security Risks” guide by OKX, to deeply dismantle the 5 major high-risk hazards and provide you with beginner-friendly countermeasures. Let’s work together to protect our Web3 treasury with the “security shield” of the OKX wallet!

1. Deep Investigation of 5 Major High-Risk Hazards: Is Your Device “Leaking”?

Hackers’ attack methods are increasingly covert, often lurking in the corners we most easily overlook. Please refer to the following 5 dimensions and immediately conduct a comprehensive “security check-up” on your device:

1. Screenshots and Cloud Sync: The Most Easily Overlooked “Ticking Time Bomb”

Many users, for convenience, have the habit of saving mnemonics or private keys as screenshots in their phone gallery. However, modern smartphones generally have cloud automatic backup features (such as iCloud, Google Photos, etc.). Once your cloud account is breached, or if a third-party application accesses your gallery permissions, these screenshots containing core secrets will be instantly exposed to hackers.

 

• Countermeasures: Immediately check and delete all screenshots containing mnemonics or private keys from your gallery, cloud storage, and “recently deleted” folder. It is highly recommended to disable the automatic cloud sync feature for albums and sensitive files and to regularly check whether there is any unusual login to the cloud account.

2. Device Anomalies: The “Ghost” Lurking in the Shadows

If your device has previously installed unofficial systems, or has any unknown cracked software or plug-ins, then it is very likely that your device's operating environment has been compromised. These malicious programs may embed hidden processes in the background that continuously steal your keyboard input records or upload sensitive information.

 

• Countermeasures: Carefully check and uninstall any abnormal processes and unknown-source programs from your phone or computer. If your device frequently experiences unexplained lag or overheating, perform a system reinstall if necessary to completely eliminate the threat. Remember to avoid operating the wallet on compromised devices.

3. iOS System Exclusive Risks: The “Trojan Horse” of TestFlight

For iOS users, the App Store is a relatively safe download channel. However, some hackers exploit TestFlight (Apple's official app testing platform) to release beta applications disguised as official wallets or trading platforms. These unofficial test applications often contain malicious code that can easily lure users into entering their mnemonics or directly steal device information.

 

• Countermeasures: Immediately uninstall all unofficial wallet or trading applications downloaded via TestFlight. Ensure to only download such apps from the App Store. If prompted to enter mnemonics on any unofficial channels, stop the operation immediately and change your wallet.

4. Android System High-Risk Permissions: The “Invisible Hand” of Accessibility and Floating Windows

The openness of the Android system is a double-edged sword. Among them, “accessibility permissions” and “floating window permissions” are heavily exploited by hackers:

 

• Accessibility permissions: This permission is originally intended to assist people with disabilities, but once malicious applications gain this permission, they can directly read everything on the screen, including the mnemonics or private keys that you are entering.

 

• Floating window permissions: Malicious applications can use floating window functions to overlay a disguised input box above the official wallet's input field. When you think you are entering mnemonics into the official wallet, you are in fact handing over confidential information to hackers.
• Countermeasures: Immediately disable access permissions and floating window permissions for all non-essential applications. Uninstall suspicious applications and restart the device. If you suspect you have been compromised, recreate your wallet and transfer assets immediately. Additionally, be sure to stay vigilant against any counterfeit wallets or abnormal pop-ups, and avoid importing wallets on devices with questionable authorizations in the future.

5. Cold Wallet Traps: The “Deadly Temptation” of Second-Hand and Unofficial Channels

Cold wallets are considered the safest way to store assets, but only if you purchase “clean” genuine products. Cold wallets purchased through unofficial channels or second-hand sources are very likely to have been physically tampered with by hackers or implanted with backdoor programs.

 

• Countermeasures: Firmly cease using any second-hand, unknown-source, damaged packaging, or suspiciously unsealed cold wallets. If a cold wallet powers on directly to an already activated interface without requiring initialization, or if its accompanying software asks you to enter mnemonics for binding (instead of confirming on the hardware), this is likely a malicious program stealing assets. In such cases, please stop operations immediately, uninstall the software, and contact official channels to return or exchange for a new genuine product.

2. OKX Wallet: Your Web3 Smart Security Guardian

In a complex security environment, in addition to enhancing personal awareness, choosing a wallet with powerful proactive defense capabilities is also crucial. The OKX wallet not only continuously innovates in functionality but also leads the industry in security protection.

 

1.  Exclusive “Security Scan” Feature: One-Click Detection of Android Hazards
2. For the complex permission environment of the Android system, OKX wallet has thoughtfully introduced a built-in device scanning feature. Users only need to open the OKX App, click the top left [Grid] to enter the [Web3] section, and select [Wallet Security] - [Security Scan] to complete a comprehensive detection of the device environment following the page prompts. This feature effectively identifies potential malicious applications and high-risk permission settings to prevent problems before they occur.
3.  Evolution of Agentic Wallet: AI Powered Real-Time Warnings

As the OKX wallet evolves into the Agentic Wallet (agent wallet), AI technology is not only used to optimize the trading experience but is also deeply applied in the field of security protection. The future OKX wallet will be able to, through AI algorithms, monitor abnormal changes in the device environment and suspicious permission calls in real time. Once potential risks are detected, AI will alert users immediately, and even automatically block high-risk operations, providing around-the-clock intelligent protection for your assets.

3. Daily Protection Golden Rules: Integrate Security Awareness into Every Click

Security is not a one-time check, but a habit that needs to be maintained over the long term. Please remember the following daily protection golden rules:

 

1. Physical isolation, handwritten backup: Mnemonics and private keys should only be handwritten and safely stored in a secure physical environment (such as a safe). Never connect to the internet, never take photos, never copy and paste.
2. Recognize official sources, refuse temptation: Whether it is a hot wallet App or cold wallet hardware, it must and can only be downloaded or purchased from official channels. Never trust any third-party links or unofficial application stores.
3. Regularly check, minimum authorization: Regularly check the sensitive permissions on your phone and computer (such as accessibility, floating windows, album access, etc.), following the “minimum authorization” principle, and disabling all unnecessary permissions.
4. Be alert to social engineering, refuse screen sharing: When performing wallet operations, always be cautious of any form of screen recording, video calls, or screen sharing requests. Hackers often disguise as customer service or technical support, luring you to expose your mnemonics while sharing the screen.

Conclusion: Security is 1, Everything Else is 0

In the starry sea of Web3, the growth of wealth is indeed exciting, but without the foundation of security, everything will revert to zero. By regularly self-checking devices, cultivating good operational habits, and leveraging the powerful security features of the OKX wallet, we are fully capable of keeping hackers at bay.


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