International trading involves many participants all around the globe. These participants may not necessarily have the needed trust of all parties, especially at the initial stages, when newcomers join the trade. Blockchain can provide the needed trust to capture key transaction activities as immutable records, as well as storing and sharing encrypted legal and financial documents.
Visibility of transaction records and documents are tightly controlled by blockchain, permitting sharing only among entrusted and allowed parties. In this demo, IBM demonstrates how blockchain may support such an application.
source