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China \u2014 the<\/span> biggest internet market globally with more than 1 billion users<\/a> \u2014 is no stranger to online censorship. For years, authorities in the country have built out a series of techno-policy restraints, commonly referred to as The Great Firewall, to restrict open access to the internet. But those restrictions have also given rise to a creative industry: circumvention tools used by tens of millions of people to get around the wall and use the internet like others do elsewhere.<\/p>\n Yet recently, some of the most popular of these tools have mysteriously started to disappear.<\/p>\n Earlier this month, client software Clash for Windows, a popular proxy tool that helps users bypass firewalls and circumvent China\u2019s censorship system, suddenly stopped appearing on GitHub: the repository had been the main route for users to download it and the developer to update it.<\/p>\n After deleting the repository, the developer of Clash for Windows, who goes by the pseudonym @Fndroid,\u00a0posted<\/a>\u00a0on X that they would stop updating the tool, with no further detail. \u201cStopped updating, see you soon\ud83d\ude05\u201d the developer wrote in Chinese.<\/span><\/p>\n \u201cTechnology is not good or bad, but people are,\u201d the developer continued. \u201cIt\u2019s time to face the light and move forward.\u201d<\/p>\n Fndroid, reached for comment, was equally evasive in a response to TechCrunch.<\/p>\n \u201cThank you for your email and for considering me for a comment on the recent developments regarding the Clash for Windows project,\u201d the developer wrote in a message.<\/p>\n \u201cI must inform you that I am not in a position to provide any insights or comments on this matter. My current commitments and policies prevent me from discussing this topic publicly. I appreciate your understanding and respect for my privacy in this regard. I wish you success in your reporting and hope you find the information you need from other sources.\u201d<\/p>\n Proxies are a notable weapon in the artillery of those in China who want to use the internet without state restrictions and monitoring.<\/p>\n Acting as a gateway between a user\u2019s device and the internet and enabling private Web access by masking the user\u2019s IP address, they have grown as a popular alternative to VPNs in China since the government\u2019s crackdown on the latter in 2017. (Since VPNs are now only legal if they comply with certain Chinese data regulations, that has had an impact on adoption and usage, with major platforms like Apple<\/a> among those that have pulled access to VPNs altogether.)<\/p>\n Since then, there has been no mainstream distribution for censorship-fighting tools in China, and so consumers typically access \u2018unofficial\u2019 VPNs and proxy clients like Clash by word of mouth.<\/p>\n But setting up a proxy client requires technical know-how, which has both been a blessing and a curse.<\/p>\n It\u2019s meant that adoption has been more limited to the technically adept. Yet it became an effective way to bypass state controls\u00a0since the tech traditionally was less familiar to the Chinese government, too. That also boosted the credibility of the tool and others like it.<\/p>\n \u201cI think there\u2019s a sense that anything that is easily accessible is kind of compromised,\u201d said Maya Wang, interim director of China for Human Rights Watch, in an interview with TechCrunch.<\/p>\n Overall, proxies are still less popular than VPNs, which were an estimated to have some 293 million users in China as of 2021<\/a>.<\/p>\n Proxy server usage is also tracked less well. GlobalWebIndex, an analytics firm, found that some half of all Facebook users<\/a> in China accessed the platform via proxy servers, but that is a stat from a decade ago, 2013.<\/p>\n While proxy server usage is estimated to be in the high millions, among that number are a lot of internet \u201cpower users\u201d making it possibly an area that would get disproportionately scrutinized.<\/p>\n So it was unsurprising that when Clash disappeared, the move appeared to trigger a domino effect.<\/p>\n Associated tools in the Clash ecosystem maintained by other developers on GitHub \u2014 for example Clash Verge, Clash for Android and ClashX, among other proxy tools \u2014 all started to get deleted or archived. Censorship monitoring platform GFW Report was the first to track<\/a> this.<\/p>\n It\u2019s unclear why Fndroid and the other proxy tool developers deleted their repositories.<\/p>\n A look at GitHub\u2019s takedown request log seems to indicate that the government was not involved.<\/p>\n \u201cGitHub does not generally comment on decisions to remove content. However, in the interest of transparency, we share every government takedown request that we action here<\/a>,\u201d a GitHub spokesperson told TechCrunch in a statement. Proxy server content developers were not on the list when TechCrunch evaluated it.<\/p>\n Yet the sudden disappearance has triggered\u00a0speculation<\/a> online that the Clash for Windows developer was identified and thus pressured by Chinese authorities, citing the issue that proxy servers reveal too much personal information online.<\/p>\n There are other indications that those representing the state are definitely seeking out and shutting down the activities of individual developers if they are deemed to contravene Chinese policies around Internet use.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n Another proxy developer, who goes by the pseudonym EAimTY and has deleted its proxy repository TUIC, posted<\/a> a blog post in which they suggested state pressure was involved.<\/p>\n \u201cThe authorities will not hesitate to pay visits to Chinese developers who are openly creating circumvention solutions. Often, these developers work on different projects, so they are putting their income at risk if they continue to work in the circumvention space,\u201d Charlie Smith, the pseudonymous head of anti-censorship group Great Fire, told TechCrunch.<\/p>\n The affected censorship circumvention tools are no longer available for installation, as users typically get their install packages from their GitHub pages. However, TechCrunch understands that some of these tools, including Clash, were still working on the systems they were installed at the time of filing this article, even as they were no longer receiving updates.<\/p>\n Chinese developers building tools to bypass the Great Firewall regularly get\u00a0detained or punished<\/a> by authorities, creating a chilling effect for future activity.<\/p>\n Proxy server developers are not the only ones being targeted, either. Last year, censorship circumvention tools based on transport layer security (TLS) were also blocked<\/a> in the country. TLS-based tools were estimated to be used by over half of China\u2019s internet users \u2014 500 million users \u2014 to bypass online censorship.<\/p>\n Even though it is hard to estimate the exact number of users bypassing censorship using a particular tool, Clash was normally on the list of recommended clients for proxy services in China. A Clash group on Telegram<\/a> with users of its various versions that have been developed with Clash Core currently has nearly 40,000 members.<\/p>\n \u201cI think it\u2019s a significant presence for the people who want to circumvent the internet that are not given official access,\u201d said Wang at Human Rights Watch. \u201cThere are lots of universities, research institutes in China, they have to access the internet outside of China, and those institutes usually have some kind of official VPN access. But for the people who don\u2019t have official access, or who don\u2019t want to use that, I think they resort to a number of the smaller ones and Clash was one of them.\u201d<\/p>\n A researcher with the digital civil rights organization Access Now, who did not want to be named, told TechCrunch the arms race between China\u2019s system of censorship and opposing circumvention tools raged for years but has been accelerated since Xi Jinping became president in November 2012. It received another major burst of attention during the \u201cblank paper<\/a>\u201d A4 protests of 2022, where protesters displayed blank sheets of paper as a symbol against censorship in response to China\u2019s harsh COVID policies.<\/p>\n \u201cThe more the authorities shut off access to information, the more Chinese citizens look for ways around these blocks. Innovative solutions are and will continue to be developed. Chinese will find ways to access information, and it is likely that the demand for such services will only increase,\u201d Smith said.<\/p>\n<\/p><\/div>\n