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.
Coin
Cryptocurrencies known as coins run on separate blockchains and are unrelated to other coins. Such a cryptocurrency's single unit is also known as a coin.
Active management in crypto refers to an investment strategy where portfolio managers actively make buying and selling decisions to try to outperform the market and generate higher returns.