The worst part is not that they don't understand each other but that they think they do understand each other!

Here, I'd like to offer a few basic definitions from my keynote speech that I hope will help people get on the same page and collaborate.

What Is a Blockchain?

There is tremendous confusion over what a blockchain is. Ask ten experts, you'll get eleven answers.

I will offer my definition, hoping it will help people understand a bit better:

A blockchain is a shared ledger that everyone trusts to be accurate forever.

Let me unpack that.