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.
Impermanent Loss
When there is a price difference between the two assets a trader owns on a DEX, often a cryptocurrency and a stablecoin (such as USDC), impermanent loss might occur.
Testnet
An alternative blockchain used by developers for testing.
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.