Quick Glance at Hyperledger Fabric Architecture Building Blocks

The diagram below represents application communication viewpoint at key building blocks of Hyperledger Fabric 1.0 architecture:

hyperledger fabric 1.0 architecture

Figure 1. hyperledger fabric 1.0 architecture

Following are some of the key building blocks of Hyperledger Fabric 1.0 Architecture:

  • Membership Services Provider: Enrolls the clients
  • Peers: Peer nodes can be endorser (endorse proposal for transaction)and committer nodes (write block of transactions to ledger)
  • Chaincode: Smart contract written in Java/Go which is invoked by a transaction. Peer nodes having chaincode becomes the endorser for that chaincode. ESCC (Endorser system chain code) executes the chaincode using proposal and read-write set information.
  • Ledger: Ledger which holds the copy of transactions in form of blocks
  • Ordering service: Consenter service which validates the transaction using VSCC (Validation system chaincode), orders the transaction in a block and sends it to peer nodes (endorsers & committers)


Ajitesh Kumar
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Ajitesh Kumar

I have been recently working in the area of Data analytics including Data Science and Machine Learning / Deep Learning. I am also passionate about different technologies including programming languages such as Java/JEE, Javascript, Python, R, Julia, etc, and technologies such as Blockchain, mobile computing, cloud-native technologies, application security, cloud computing platforms, big data, etc. For latest updates and blogs, follow us on Twitter. I would love to connect with you on Linkedin. Check out my latest book titled as First Principles Thinking: Building winning products using first principles thinking. Check out my other blog, Revive-n-Thrive.com
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