Verification Code

In order to confirm the identity of the person entering an account, a verification code is given to a different device. It's used for two-factor authentication.

Pair

Exchange cryptocurrencies with each other, like the trading pair BTC/ETH.

Altcoin

Altcoin is the term given to describe alternative digital assets, such as a coin or token that is not Bitcoin. This nomenclature comes from the idea that Bitcoin is the original cryptocurrency and that all others are then considered “alternate” or “alternative” coins.

Node

An essential component of a blockchain infrastructure, a node stores data and allows all communication (transactions) to pass through it.