Extension Wallet Safety Guide: Protecting Your Assets

Understanding the Risks

Browser extension wallets have become an essential tool for managing digital assets, but they come with inherent security risks that every user should understand:

Browser Sandbox Limitations

The browser's built-in sandbox mechanism, while important, serves as a single line of defense. This makes it a potential target for sophisticated attacks, as breaking this one mechanism could compromise the entire system.

Weak Extension Isolation

Extensions within the same browser environment have limited isolation from each other. This creates a "weakest link" scenario - if one extension is compromised, it could potentially affect all others in the same browser environment, including your wallet extension.

Essential Safety Practices

To protect your digital assets when using extension wallets, consider implementing these security measures:

1. Browser Account Separation

Create a dedicated browser profile for your wallet extensions. This profile should:

• Install only essential wallet extensions

• Be kept separate from your daily browsing profile

• Use a separate account for each wallet extension where possible

2. Restricted Browsing

When using a browser with wallet extensions:

• Only visit verified, trusted websites

• Avoid general web browsing

• Stay away from unfamiliar or suspicious links

• Always verify website URLs carefully

3. Duo-Browser Strategy

For maximum security:

• Use one browser exclusively for wallet extensions and cryptocurrency transactions

• Use a different browser for general web browsing

• Keep your crypto-dedicated browser clean and minimal

4. Hardware Wallet Integration

Consider using a hardware wallet as your primary security measure:

• Hardware wallets provide the highest level of security

• Use them in conjunction with extension wallets for enhanced protection

• Keep critical assets in hardware wallets while using extension wallets for smaller, frequent transactions

About UniSat Wallet

UniSat is a non-custodial, open-source browser extension wallet. This means:

• We never store or have access to your private keys

• You have complete control over your assets

• All code is open-source and verifiable

• Your funds remain solely in your possession

While we maintain the highest security standards possible for an extension wallet, we believe in complete transparency about the inherent risks of browser-based wallets and empowering users with security best practices.

Looking Forward

We understand that in today's increasingly complex digital environment, wallet security cannot rely solely on traditional browser protection mechanisms. At UniSat Wallet, we're committed to strengthening our extension's security mechanisms to provide users with a safer experience, this is a key item on our 2025 Roadmap.

Final Recommendations

1. Regular Security Audits

• Review your installed extensions regularly

• Remove unused or suspicious extensions

• Keep your wallet extension updated to the latest version

1. Best Practices

• Always backup your seed phrases securely

• Enable all available security features

• Use strong, unique passwords for your browser profiles

• Enable two-factor authentication whenever possible

Remember: Security in the digital asset space requires constant vigilance. While convenience is important, never compromise security for ease of use.