The business unit deals with 4,000 suppliers, financing customers and partners who conduct about 3 million transactions per year, worth $44 billion. About 25,000 disputes arise annually over issues such as the wrong number of computer parts in an order or deliveries that go awry, Mr. Cuomo said. Today, resolving such a problem takes an average of 44 days and requires employees to retrace steps through six or seven separate applications, as well as sometimes contacting banks and other parties involved, he said. Recording transaction details on a blockchain ledger makes tracing details faster and potentially more accurate than IBM’s current processes,

http://blogs.wsj.com/cio/2016/07/29/ibm-set-to-launch-one-of-the-largest-blockchain-implementations-to-date/