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.
Falling Knife
The term falling knife (also known as "Catching a Falling Knife" or "Catching the Bottoms") refers to the action of buying an asset which is rapidly declining in price.
Accountability
Accountability is the need or willingness to take ownership of one's actions. When someone takes ownership, they are committing to producing successful outcomes.
Encryption
Information can be converted into code using encryption, which conceals the true meaning of the data.