Seriously, What the Hell Is a Blockchain? Blockchains are often explained with a lot of tech jargon by people in mathematics, cryptography, and network engineering. It turns out that blockchains are ...

A blockchain is a digital ledger of transactions that is replicated and distributed across a large network of computer systems, or nodes, to record and secure information. Each block in the blockchain ...

Pete Rathburn is a copy editor and fact-checker with expertise in economics and personal finance and over twenty years of experience in the classroom. d3sign / Getty Images A blockchain is a secure ...