And so we get to our sample. Alice, the owner of QuickFix IT in the Italy, wishes to buy computers from Bob, who runs Conga computers in the USA. Alice is going to apply for a letter or credit from her bank, Dinero Bank, which will be accepted by Bob's bank, Eastwood Banks, as a form of payment.

We're going to try out the whole process using the letter of credit sample application found at https://github.com/hyperledger/composer-sample-applications. This repository contains a number of sample applications of business networks–we're going to use the letters of credit sample.