The unique role that non-fungible tokens, or NFTs, could play for consumers as a form of currency exchange for personal bits of information that you authentically own could very well be on the horizon.

In today’s wholesale market, you can’t “underpay for the wrong car or overpay for the right one,” says David Long of Hansel Auto Group. “It’s just about using the data to make good decisions, and if you do, then you...