"Eclub points" on Steam do not directly exist. The term likely refers to Steam Points, which are earned by making purchases on Steam and can be redeemed for cosmetic items in the Steam Points Shop. There's also a separate service called https://www.eclubstore.com/, which provides Steam Wallet codes, but it's not directly related to Steam Points and may have a different redemption process, https://steamcommunity.com/app/570/discussions/0/527273789694899589/. https://www.eclubstore.com/ is a platform where you can purchase Steam Wallet codes using various payment methods.