A simple test to know whether a ledger adds value or just complexity, with provenance as the clearest case.
Blockchain is useful in a narrow set of cases: when several parties who don’t fully trust each other need to share a record nobody can quietly change.
Provenance is the clearest example: a buyer abroad can check where a product comes from without taking the producer’s word for it.
If a single company controls the data, a well-run database is cheaper, faster and easier to maintain. Start from the business case, not the technology.
When it does make sense, begin with a small, audited pilot and a customer experience as simple as scanning a QR code.