A market order is an instruction to buy or sell an asset immediately at the best available price. It is executed at once as long as there are matching limit orders in the order book.

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

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 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.

Litecoin is one of the oldest altcoins, created as a faster and lighter alternative to Bitcoin and the originator of the use of the Scrypt algorithm.