Old-version private servers are typically low-population, buggy, lack matchmaking, and often have “infinite gems” mods — meaning no legitimate progression or competitive play.
Most private servers provide unlimited Gems, Gold, and Elixir to eliminate the years-long grind. clash of clans private server old version work
Because these servers are independent, the admins can manipulate the game logic. This is why private servers often feature: Old-version private servers are typically low-population