The following are general privacy protection and data encryption recommendations and do not constitute any legal or professional security advice. Although there is no 100% solution to "hide" or "encrypt" all traces, you can consider using the following tools and methods to reduce the risk of monitoring or leaking your personal browsing history: 1. Browser privacy mode and privacy browser • Use incognito/traceless mode: Most mainstream browsers (such as Chrome, Firefox, Edge, etc.) provide incognito or traceless mode, which will not save browsing history, cache or cookies locally after startup. • Use a browser with higher privacy protection: For example, Tor browser, it not only partially clears traces, but also encrypts and anonymizes network traffic through onion routing, thereby reducing the risk of network monitoring. 2. Virtual Private Network (VPN) • VPN software (such as NordVPN, ExpressVPN, ProtonVPN, etc.) can encrypt data transmission between you and the VPN server, thereby preventing LAN middlemen and ISPs from snooping on network traffic. • Be careful to choose a VPN service provider with a good reputation and does not record logs. 3. Full disk or file encryption • If your browsing history, cache or download history is stored on a local hard disk, you can enable the system's built-in disk encryption function, such as Windows' BitLocker, macOS's FileVault or Linux's LUKS/dm-crypt. • In addition, third-party tools such as VeraCrypt can be used to encrypt specific sensitive files or partitions. 4. Daily privacy cleaning tools • Software such as BleachBit can help regularly clean up local temporary files, browser traces and other information that may expose privacy. • But please note that cleaning may affect convenient functions such as automatic web login. A few additional notes: • Encryption solutions on the Internet (such as VPN/Tor) mainly prevent third parties (such as ISPs, network eavesdroppers) from snooping on your network traffic; while browser incognito mode and cleaning tools focus on preventing traces from being left on local devices. • Regardless of which solution is used, improving privacy security also requires good usage habits, such as avoiding logging into too many accounts that may be associated with your identity on the same device, regularly updating software and paying attention to security patches. Finally, make sure to understand and comply with local laws and regulations regarding Internet privacy and content access. I hope this information can help you better protect your personal privacy.