“What is it? A public, permanent, append-only distributed ledger.
What’s that? A mathematical structure for storing data in a way that is nearly impossible to fake. It can be used for all kinds of valuable data.
Where did it come from? “I’ve been working on a new electronic cash system that’s fully peer-to-peer, with no trusted third party.” These are the words of Satoshi Nakamoto, the mysterious creator of Bitcoin, in a message sent to a cryptography-focused mailing list in October 2008. Included was a link to a nine-page white paper describing a technology that some are now convinced will disrupt the financial system…”