> Tracking shipments across countries. This is an append-only operation, across multiple jurisdictions/languages/infrastructures. A blockchain ledger can play t

> Tracking shipments across countries. This is an append-only operation, across multiple jurisdictions/languages/infrastructures. A blockchain ledger can play the role of standardizing operations for the tracking of shipments. People seem to forget that you still have to trust the people and/or hardware doing data entry while tracking shipments. If you can't solve that first, there's no need to have a blockchain as a storage medium.