Blockchain across Oracle

Hyperledger fabric

The mode of operation of Ethereum falls into the permissioned category. This means that anybody who wants to join the network needs permission to do so. To join the network, you need a membership. For example, you need first to receive an invitation by one of the network maintainers. To enable this mode of operation, Hyperledger Fabric provides a membership identity service that manages user IDs and authenticates participants on the network. Additionally, it offers authorization of specific network operations through the use of access control lists. For example, one specific user ID can query data in the ledger, but it is blocked when invoking a smart contract. In a Hyperledger Fabric network, members know each other by ...