Just want to remind an actual list of proxies:

Main proxy(Non Random Padding):
tg://proxy?server=proxy.digitalresistance.dog&port=443&secret=d41d8cd98f00b204e9800998ecf8427e
Main proxy(DD/Random Padding):
tg://proxy?server=proxy.digitalresistance.dog&port=443&secret=ddd41d8cd98f00b204e9800998ecf8427e

TLS Proxy:
tg://proxy?server=exp.proxy.digitalresistance.dog&secret=7tQdjNmPALIE6YAJmOz4Mi53d3cuZ29vZ2xlLmNvbQ&port=443

Splitted by Country(DD/Random Padding) (Note: these proxy will work for other countries too, but configured more specific to the country):
Russia:
tg://proxy?server=russia-dd.proxy.digitalresistance.dog&port=443&secret=ddd41d8cd98f00b204e9800998ecf8427e
Indonesia:
tg://proxy?server=indonesia.digitalresistance.dog&port=443&secret=d41d8cd98f00b204e9800998ecf8427e