To check the fairness of your game, go to https://www.md5hashgenerator.com and input the string from the footer of the outcome of the game, followed by a dash and the emoji Yui used in the game (e.g. ui6zky1ob4k-🤜). The first eight characters of the resulting MD5 hash should match the string in the footer of the first message. (You can open the emoji keyboard on Windows by pressing ⊞ Win + . (Windows key and period) or on Mac by pressing ctrl + ⌘ + space (control key, command key and space.