What is a Blockchain? (Animated + Examples)

What is Blockchain?Blockchain is a way to trade with anyone worldwide without middlemen, such as companies or financial institutions. It uses cryptography to encode transactions and ensure security. One way Blockchain is making it very secure is technology within the “blocks” that allows people to cryptographically sign who they are and where the b... See more

Blockchain is an immutable, digital ledger that facilitates the process of recording transactions and tracking assets in a network; it is updated and shared across many computers in a network. 

You can think of a blockchain like a Google spreadsheet, except that instead of being hosted on Google’s servers, blockchains are maintained by a network of computers all over the world. These computers (sometimes called miners or validators) are responsible for storing their own copies of the database, adding and verifying new entries, and securin... See more