1-What started the great interest in authorized blockchain technologies like Hyperledger?
Due to the popularity of Bitcoin, Ethereum and among others, interest in applying the underlying blockchain technology, distributed ledger and distributed application platform to more innovative business use cases also increased.
2-Why are the popular public blockchains not suitable for commercial use cases?
Because they put access to sensitive information at risk by allowing anyone to access the blockchain, in addition to the fact that decentralization removes performance from the network and many companies need high speed in response.
3-What programming languages can be used to write smart contracts in Hyperledger Fabric?
Smart contracts can be written in languages like Node.js or Go. In future updates they will include other popular languages such as Java.
4-What does it mean to have support for “connectable consensus protocols”?
Hyperledger Fabric has the ability to logically connect different types of consensus according to the needs of the business use case. You can switch from CFT to BFT as needed.