Validator

A participant on a Proof-of-Stake (PoS) blockchain, involved in validating blocks for rewards.

Vanity Address

A cryptocurrency public address with custom letters and numbers, usually picked by its owner.

Vaporware

A cryptocurrency project that is never actually developed.

Vaporware (aka Vapourware)

Vaporware is a term that comes from the software world to indicate announced, but not released or cancelled software. In the cryptocurrency world this also happens, but the term “Shitcoin” is more common.

Venture Capital

A form of private equity provided to fund small, early-stage firms considered to have high growth potential.

Virgin Bitcoin

A bitcoin that has never been spent.

Vitalik Buterin

Vitalik Buterin is a programmer of Canadian-Russian descent. He is the inventor of ‘Smart Contracts’ and co-founder of Ethereum. 

Volatility

A statistical measure of dispersion of returns, measured by using the standard deviation or variance between returns from that same security or market index.

Volume

The amount of cryptocurrency that has been traded during a certain period of time, such as the last 24 hours or more. Volume can show the direction and movement of the cryptocurrency as well as a prediction of future price and its demand.