Summary
In this chapter, we have learned about the Hyperledger Composer through the letter of credit example. We have defined and built a business network model and then packaged it as a .bna file and deployed it to a Fabric network. We also set up a Composer REST server to communicate with the business network over HTTP. At the end, we have introduced IBM BaaS by running a marble application example in the IBM blockchain.
From now on, you should be able to build more complex blockchain projects using Hyperledger Fabric and Composer. If you have read the previous chapters, you'll now have an idea about the difference between business-driven blockhains, such as Hyperledger, and cryptocurrency-driven blockchains, such as Bitcoin or Ethereum. ...
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