Many people don’t want to bring a wallet or purse to a club but wouldn’t go out without their phone. This is one of the most challenging scenarios for authentication, however, because lack of sufficient light, long lines and a tendency for some to deceive the bouncer in order to get inside. Security and accuracy requirements must be met to gain entry, and the actual identity requirements are low since the user simply needs to prove age. A variant of this use case is entering a casino, where additional legal requirements may require consumers to provide their names or where consumers may volunteer their names to be checked against no-gamble lists.