Introduction In the last few years there have been a number of articles and blogs around blockchain concepts, benefits of Distributed Ledger Technology (DLT), and real-world blockchain application use cases in industry verticals such as supply chain, finance, healthcare, etc. According to many industry pundits, 2018 will be the year of blockchain applications going mainstream. The goal of this post is to discuss the current popular open source blockchain application frameworks, their key features and which framework is suited for a business use case. Blockchain Application Framework The top two open source blockchain projects are Hyperledger and Ethereum. Hyperledger is a suite of many blockchain frameworks consisting of Hyperledger Sawtooth, Hyperledger Iroha, Hyperledger Fabric, Hyperledger Burrow, and Hyperledger Indy. This post will cover the three popular frameworks: Hyperledger Sawtooth Hyperledger Fabric ...