Despite the huge number of explanations and answers to questions, I still see every time that people find it hard to understand the difference between a vpn and proxies. And I think it's much easier now to explain thanks to proxies like https://www.simplynode.io/targets/proxies-for-telegram which are immediately specified for a specific application. A vpn works on the whole computer or the whole phone, on all sites and applications at once. Proxies are for something specific, like in this case tg.