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KompiTech Blockchain

Blog 01

How Hyperledger Fabric Blockchain Works? Key Concepts Explained!

The goal of this blog post is to describe key concepts of how Hyperledger Fabric blockchain works so that you can get a basic understanding of how to use it for your blockchain applications. Hyperledger Fabric is a private, permissioned and open-source blockchain solution. Private means that blockchain networks are not publicly accessible and only invited parties can join the network. Permissioned means each party is clearly identified and every transaction is authenticated, authorized, validated and tracked. You can run Fabric networks on-premise or use Blockchain as a Service platforms to maintain the ledger infrastructure for you ...

Blog 02

How to use Hyperledger Fabric SDK Go with Vault Transit engine

This article focuses on replacing the default BCCSP (Blockchain Cryptographic Service Provider) security provider in Go SDK for Hyperledger Fabric with the Transit engine provided by HashiCorp’s Vault. You might be asking yourself the question, why is it beneficial to replace a built-in feature of the Go SDK? Each transaction sent to Hyperledger Fabric needs to be signed with a private key of the user who invokes the transaction. The Go SDK uses the BCCSP which does the signing for you. The BCCSP uses encryption keys and certificates loaded from the MSP directory on a local filesystem ...

Blog 03

Transitioning from Hyperledger Composer to native Go chaincode

This blog post describes the process of how we moved from Hyperledger Composer to dynamic Go chaincode. When starting with Hyperledger Fabric-based applications in our company, we used the Hyperledger Composer project. It uses the term “business network” to define what you want your chaincode to do like assets and their attributes, including references to other assets and validations, participants and what they can do (ACL), transactions and their attributes to mutate assets ...

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