Click on the next tab in your browser. You are now Bob, and you can see the letter of credit from Alice:

In this process example, Bob can be pretty sure that Alice is trustworthy because his bank has told him in advance. If Bob selects the letter, he will be shown its details:

Hopefully, you're starting to understand the process now–so let's not spell out all the details again! Just note how Bob has increased trust because of the transparency available to him. Bob accepts letter as payment (Click Accept), and now has to ship the goods to Alice!