Before I start ripping blockchain—the term I’ll use interchangeably with distributed ledger technology (“Anthony! You’re showing your ignorance!”)—let’s establish some ground rules. First, if we are talking about cryptocurrencies, digital assets, asset tokenization—all that good “fake money” stuff—blockchain and its miscreant friends can be the right tools for the job. The experts I speak to are at least 50/50 on that assertion. I’ll throw payments in there, too, because that’s not what...