![]() ![]() Hyperledger Fabric has five main functionalities. ![]() In Hyperledger Fabric, you can use different consensus algorithms, however, the Practical Byzantine Fault Tolerance (PBFT) is the most commonly used. Interconnection between peer nodes, smart contract, ledger, and blockchain network MSPs nodes are the abstraction layer for all cryptographic mechanisms and protocols behind issuing certificates, validating certificates, and authenticating users. Membership Service Provider (MSPs) nodes are generally implemented as a Certificate Authority, which manage X.509 certificates and are used to authenticate member identity and roles. An orderer node is responsible for ordering transactions, forming the ordering service, packaging transactions into blocks, and distributing these blocks to anchor peers across the network. Orderer nodes ensure the consistency of the blockchain and deliver the endorsed transactions to the peers of the network. Peer nodes can be started, stopped, reconfigured, and deleted at any point in the blockchain lifecycle. Peer nodes execute chaincode, access ledger data, endorse transactions, and interface with applications.
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