The Telegram Channel Gateway by Oxapay works by integrating a crypto payment gateway into your Telegram channel. It allows you to set entry fees or subscription fees for your channel, support multiple cryptocurrencies, and automate payment management. The gateway handles the payment process, membership tracking, and removes expired members automatically. Its advantages include the ability to monetize your channel, offer exclusive content or services, accept payments in various cryptocurrencies, and gain insights into your channel's performance through analytics and reporting.