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.

Mining is the process of supporting the operation of a blockchain by solving computational tasks, for which participants receive a reward in coins. The issuance of many cryptocurrencies is based on it.

A microtransaction is a payment of a very small amount, often less than the minimum monetary unit. Such operations are unprofitable for traditional payment systems because of fees, while cryptocurrencies make them feasible.

Multisignature is a technology in which carrying out a transaction requires not one but several signatures with different private keys. It noticeably increases the security of storing crypto assets.