V
Verification code
The code sent from one device to another with the purpose of verifying a user's login. Used for 2FA (Two-Factor Authentication).
Vladimir Club
The concept of being a member as long as the user has 1/10,000th of all the mined Bitcoin.
Volatility
The pace with which an asset's price changes over time.
Volume
Otherwise known as trading volume, represents the total number of units that have been traded over a certain period of time.