If you would like to participate in the Mystery Coffee League, the only thing you need to do is to join our Discord server and buy the Mystery Coffee beans! Usually we're getting generous discounts from our Roaster of the Month.
Mystery Coffee League is run by group of coffee nerds on Espresso Club Discord server. In order to join the server, use the following invitation:
In case of any questions or doubts, we'll be happy to answer all of that on our regional EU chats!