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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.

A cryptocurrency exchange is an online platform for buying, selling and exchanging cryptocurrencies. Some exchanges work only with cryptocurrency pairs, while others let you trade for ordinary money.

A cryptocurrency is a digital form of money whose operation is based on cryptography and decentralized networks. Its issuance and transfers do not depend on a single central authority.

A cryptographer is a specialist in the field of cryptography who develops and analyzes methods of encryption and data protection. Their work underlies the security of blockchain systems.

Cryptography is the science of methods for protecting information by means of encryption. It ensures confidentiality and data integrity and underlies the operation of all cryptocurrencies.

A crowdsale is a public sale of a project's tokens to a large number of participants over the internet in order to raise financing. In essence, it is a synonym for an ICO — an initial coin offering.