1. The Tor Browser is a powerful application that offers a range of functions and features to ensure secure and anonymous internet browsing. By utilizing the Tor network, this application provides users with enhanced privacy and protects against surveillance and censorship. It achieves this by routing internet traffic through multiple encrypted relays, making it extremely difficult to track a user's online activities.

2. Perhaps the most attractive feature for users of the Tor Browser is its emphasis on maintaining privacy and anonymity. This means that users can freely explore the internet without fear of being monitored or having their personal data collected by third parties. By offering a shield against online surveillance and tracking, the Tor Browser empowers users to take control of their online identity and protect their digital footprints.

3. Globally, the Tor Browser has garnered a substantial user base seeking secure and private internet browsing. Although specific numbers can be challenging to determine due to the nature of Tor's anonymity, the Tor Project estimates that there are millions of daily users worldwide. This significant user base signifies the widespread need and trust placed in the Tor Browser as a tool for safeguarding online privacy.

4. While the Tor Browser is a valuable tool for protecting privacy, users may encounter a few common issues. One often experienced challenge is slower browsing speeds due to the multiple relays that internet traffic must pass through. This trade-off between privacy and speed is something users need to be aware of when using the Tor Browser. Additionally, certain websites may block or limit access to Tor exit nodes, creating issues for users looking to access such sites anonymously.

5. Advantages of the Tor Browser include its robust privacy features, preventing tracking and surveillance, along with its ability to bypass censorship measures. It allows users to access blocked content and communicate anonymously online.

However, the Tor Browser does have some disadvantages. The slower browsing speeds can be frustrating for those used to faster internet connections. Additionally, as the Tor network relies on volunteer-operated relays, there may be occasional instances of instability or downtime, affecting the browsing experience. Lastly, some websites may implement increased security measures against Tor users, requiring additional steps to access their content.

Overall, the Tor Browser's functions and features, its emphasis on privacy and anonymity, and its large user base make it an indispensable tool for individuals seeking secure internet browsing. Despite a few challenges, the advantages it brings in terms of online privacy and freedom make it a valuable asset for users worldwide.