At the core of the business network is a business network definition that contains the formal description of assets, participants, transactions, and events. We're going to examine this for the letter of credit application. By the end of this chapter, you'll be able understand how the network is implemented and accessed by the application. Moreover, you'll have the knowledge to build your own network and applications that consume it.
If you move to the next tab in the demo, you'll find the Hyperledger Composer Playground has been opened for you:
The Playground is a tool that will allow you to investigate the business network. The initial view of Playground contains a wallet full of business network cards. Just like a real wallet, these cards allow you to connect to different networks. When you use a particular card to connect to a network, you act as a different participant. This is useful for testing the network. Let's connect to the network...