Records are bundled together into blocks and added to the chain one after another. The basic parts: Hash codes keep records safe. Hash codes are an example of encryption, which is a way to scramble ...

Most stock quote data provided by BATS. US market indices are shown in real time, except for the S&P 500 which is refreshed every two minutes. All times are ET ...

Blockchain has been accused by detractors as nothing more than a more complicated and expensive database. While both technologies offer data storage and management, blockchain has one unique feature a ...

How the times have changed! Remember how many times Microsoft (Nasdaq: MSFT) was thought to be dead and buried? The software giant -- which, by the way, is a striking example of how far a true ...

Blockchain. It's the basis for cryptocurrency and now businesses are looking into other use cases. Engineering use cases have been proposed, though implementations are essentially nonexistent at this ...

David is a financial writer based out of Delaware. He specializes in making investing, insurance and retirement planning understandable. Before writing full-time, David worked as a financial advisor ...