The invention of the blockchain reminds me of the invention of the Internet. No one trusted the Web when it was first introduced, all considered it a fad, a toy, anything but a serious life-changing invention.
I can see how it’s the same story with blockchain.
When you google the term, you usually find a definition like this:
The blockchain is an incorruptible digital ledger of economic transactions that can be programmed to record not just financial transactions but virtually everything of value. - Don & Alex Tapscott, authors Blockchain