Name of the plugin you want :
PinAuthentication - Advanced Login System [STAFF AND PLAYER PROTECTION] [GUIs] [2FA] [1.7+]
Spigot Link : https://www.spigotmc.org/resources/pinauthentication-advanced-login-system-staff-and-player-protection-guis-2fa-1-7.49302/
Price : 3.99$
How it would...