A transaction fee is the payment the sender of a transfer pays the network for processing and confirming the operation. Its amount depends on the network load and the priority of the transfer.

A one-pager is a condensed presentation of a crypto project that fits on a single page. It briefly and clearly describes the essence of the idea and often serves as investors' first introduction to the project.

An exchanger is a service for exchanging one form of money for another. In the crypto space exchangers are most often used to exchange cryptocurrency for fiat money and back.

A beginner (noob, newbie) is a person who has just started to learn about cryptocurrencies or has recently appeared in a themed community. The term describes a level of experience, not a judgment of the person.

A nonce is a variable number that miners substitute when hashing a block. By going through nonce values, they search for a hash that satisfies the target set by the network's difficulty.