Registration

Initial setup and phone linking

Registration is the first step for all users. It creates an identity with a degree of security.

Gameshow Live uses SMS device validation to link a user account to a device. This is powered by Twilio's Authy and Verify services and comes with usage costs. Using this technique it is possible to restrict usage to people within specific countries and to create a degree of protection against spambots or programmatic play. How it works Before a user can enter the app they are prompted to provide a mobile phone number which can be locked to a specific country code or list of codes. Numbers can also be validated to belong to mobile carriers using Twilio Lookup.

The app then prompts the user to enter a 4 digit code which is sent by SMS to the number provided.

Upon successful entry of the SMS code, the app then checks if the number is already registered, in which case the users profile is loaded, or if this is a new user, in which case the app prompts for a unique username.

SMS registration takes place only once per installation of the app. Users can register using the same number on multiple devices, but only one device at a time is permitted to play the game.

The user's mobile phone number is stored in encrypted form (one way SHA encryption) by both Monterosa and Twilio.

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