A QR code is a two-dimensional graphic image that encodes data and is read by a camera; in cryptocurrencies it is used to quickly transmit addresses and payment details.

A cryptocurrency faucet is a website or service that gives out small portions of coins in exchange for completing simple tasks or for user activity.

A crypto evangelist is a person who works on educating people and popularizing blockchain and cryptocurrencies, explaining their principles to a wide audience.

Crypto anarchists are supporters of the idea that cryptography and the internet can protect private life from state control and ensure citizens' personal freedom.

A crypto wallet is a tool for managing digital assets: it stores the access keys to your coins and lets you send and receive transfers on the blockchain network.