but what exactly is a blockchain, and how does it work? A blockchain is an unalterable digital ledger of transactions stored across many independent nodes (computers) in a network, most popularly ...

Yuichiro Chino/Getty Images A block is the fundamental unit of a blockchain that contains a ... to help illustrate what they are and how they work. Each one has two main parts: A header (like ...

Many failed projects ultimately led to Bitcoin, so this generation represents the work from before 2009. Generation 2: Cryptocurrencies The second generation, when blockchain was centrally ...

The Ethereum network works like the Bitcoin network in that it's built on blockchain technology, essentially a digital public ledger where financial agreements can be verified and stored entirely ...