Hyperledger is an open source collaborative effort created to advance cross-industry blockchain technologies. It is a global collaboration, hosted by The Linux Foundation, including leaders in finance, banking, Internet of Things, supply chains, manufacturing and Technology.
Hyperledger Meetup groups have an informal relationship with Hyperledger, and make up a key part of the Hyperledger ecosystem. Participation in a Hyperledger Meetup group is open to anyone--employees of a Hyperledger member company, Hyperledger contributors and developers, and people just passionate about blockchain technology.
As Hyperledger Composer has become deprecated, it is an interesting question how existing composer business networks can be transformed or reimplemented in Fabric chaincode. In our online presentation we introduce the Hyperledger Fabric Java chaincode programming in details with a help of a user-case reimplementing a Composer Business Blockchain Network to Fabric Java Chaincode.