The process of confirming that someone or something is, in fact, who or what it claims to be is known as authentication. Open is the type of authentication is the hotel using.
The process of proving an assertion, such as the identity of a computer system user, exists comprehended as authentication. Authentication exists the technique of confirming a person's or thing's identity, in contrast to identification, which exists the act of indicating that person's or thing's identity.
Authentication is the process of ensuring that someone or something is, in fact, who or what it claims to be. Authentication technology restricts access to systems by comparing a user's credentials to those kept on a data authentication server or in a database of authorized users.
A server uses authentication when it needs to be certain of the identity of the person accessing its data or website. When a client has to be certain that the server is the system it purports to be, the client uses authentication. The user or machine must demonstrate their identity to the server or client during authentication.
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