What is a token in Computer Science?

What is a token? In general, a token is an object that represents something else, such as another object (either physical or virtual), or an abstract concept as, for example, a gift is sometimes referred to as a token of the giver's esteem for the recipient. In computers, there are a number of types of tokens.

What is token-based authentication?

Token-based authentication is a protocol that generates encrypted security tokens. It enables users to verify their identity to websites, which then generates a unique encrypted authentication token.

What are connected tokens?

Connected tokens are tokens that must be physically connected to the computer with which the user is authenticating. Tokens in this category automatically transmit the authentication information to the client computer once a physical connection is made, eliminating the need for the user to manually enter the authentication information.

What is a cryptocurrency token?

“Token” is a word that you hear a lot in cryptocurrency. In fact, you might hear Bitcoin described as a “crypto token” or something similar, because — technically — all cryptoassets can also be described as tokens. But the word has increasingly taken on two specific meanings that are common enough that there’s a good chance you’ll encounter them.