The most common protection, used on almost all sites. IPs can be limited both in terms of anonymity and geolocation, that is, from a certain country (for example, Kazakhstan) or a certain city (for example, Saransk). Captcha can be either just a symbolic picture, or some kind of mathematical problem, or even a check “I'm not a robot” where, by the name of the task, you need to logically choose from these pictures (for example, choose chimneys). An example of such a vote is community of crypto projects on which a new currency is chosen. Cheating votes on sites with such protection is quite easy for professionals, here you just need to pick up an IP and solve the captcha with our robots.

An extremely clear scheme often used both on forums and on news sites is registration or authorization. When registering, an email is used, to which a link or code comes, when authorizing, you need to log in through social networks or through the same email. The cost increases due to the fact that accounts cost some money. Cheating votes on sites with authorization, depending on the social network, costs from 3 rubles, while registration via mail costs from 1 ruble. No need to rack your brains, you can immediately go to geometry site and see all these options at once.

Cheating votes on sites with SMS sending or receiving a code is the most expensive (of the above). If everything is clear about sending to a short number, there is a fixed fee for sending, you just need to change the phone number (which will not be particularly important from which country), then receiving the SMS code is more difficult, since the phone number usually must correspond to either the country , or what is more difficult, the city. Depending on these parameters, the price varies. You can look at this type of voting by going to the site where the contest was held librarian of the year

If the voting is tied to the IP of the computer, then any anonymizer or VPN that changes IP addresses can help you, although most often such addresses are already blacklisted. There is a big chance to be dishonored and even lose hope of winning. You can also download the voting software from the site and catch the viruses, so don't be deceived yourself by trying to defame.

You need to get a lot of proxies somewhere. You can try to search Google for PROXY LIST, Free proxy today, Free proxy. You can enter these proxies manually into the browser, which will take an extremely long time, or you can use programs like Switcher / FoxyProxy Standard / One Click Proxy IP / Proxy Switchy, etc. For such IP addresses, a complicated captcha is most often provided, which will slow down the process. You can buy paid proxy servers, for 1 thousand IP addresses be prepared to pay from 3,000 to 10,000 thousand Russian rubles. In addition, working through free proxies slows down the Internet.

To vote in contests, you need to change not only the IP address and erase cookies, but also change the User Agent. To quickly change the type and version of the browser, the User Agent Overrider browser extensions or, for example, user-agent switcher for chrome, will help you. It is quite possible to get 200-250 votes per day using such simple methods.