What is the Blockchain?
"The Blockchain is a decentralized ledger of all transactions across a peer-to-peer network. Using this technology, participants can confirm transactions without the need for a central certifying authority. Potential applications include funds transfers, settling trades, voting, and many other uses."
More information
Do you have 25 minutes to spare? 3Blue1Brown has put together this very well produced video on Youtube that explains in clear detail what exactly the Blockchain is and how it works. Even if you're not a computer scientist, this video will help explain the main concepts behind the Blockchain. If not, the infographic below can take you through what the Blockchain is and what its impact is going to be. [Link]