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Ledger balance definition transactions
Hyperledger or the Hyperledger project is an umbrella project of open source blockchains and related tools, [1] started in December by the Linux Foundation , [2] to support the collaborative development of blockchain -based distributed ledgers. The founding members of the project were announced in February and ten further members and the makeup of the governing board were announced March The objective of the project is to advance cross-industry collaboration by developing blockchains and distributed ledgers, with a particular focus on improving the performance and reliability of these systems as compared to comparable cryptocurrency designs so that they are capable of supporting global business transactions by major technological, financial and supply chain companies.
In early , the project began accepting proposals for incubation of codebases and other technologies as core elements. Early on there was some confusion that Hyperledger would develop its own bitcoin-type cryptocurrency, but Behlendorf has unreservedly stated that the Hyperledger Project itself will never build its own cryptocurrency.
On 12 July the project announced its production-ready Hyperledger Fabric 1. Hyperledger Fabric will form the basis of the platform. Burrow [16] is a blockchain client including a built-to-specification Ethereum Virtual Machine.
Contributed by Monax [17] and sponsored by Monax and Intel. Hyperledger Fabric is a permissioned blockchain infrastructure, originally contributed by IBM [19] and Digital Asset, providing a modular architecture with a delineation of roles between the nodes in the infrastructure, execution of Smart Contracts called "chaincode" in Fabric and configurable consensus and membership services.
A Fabric Network comprises "Peer nodes", which execute chaincode, access ledger data, endorse transactions and interface with applications. It is therefore potentially more flexible than competitors that only support a closed Smart Contract language. Based on Hyperledger Fabric, with a focus on mobile applications. Contributed by Intel , Sawtooth utilises a novel consensus mechanism known as "Proof of Elapsed Time," a lottery-design consensus protocol that builds on trusted execution environments provided by Intel's Software Guard Extensions SGX.
Indy [24] is a Hyperledger project for supporting independent identity on distributed ledgers. It provides tools, libraries, and reusable components for providing digital identities rooted on blockchains or other distributed ledgers. Contributed by the Sovrin Foundation. Hyperledger Caliper is a blockchain benchmark tool and one of the Hyperledger projects hosted by The Linux Foundation. Hyperledger Caliper allows users to measure the performance of a specific blockchain implementation with a set of predefined use cases.
Hyperledger Caliper will produce reports containing a number of performance indicators, such as TPS Transactions Per Second , transaction latency, resource utilisation etc. Hyperledger Cello is a blockchain module toolkit and one of the Hyperledger projects hosted by The Linux Foundation.
It provides a multi-tenant chain service efficiently and automatically on top of various infrastructures, e. Hyperledger Composer is a set of collaboration tools for building blockchain business networks that make it simple and fast for business owners and developers to create smart contracts and blockchain applications to solve business problems.
Built with JavaScript, leveraging modern tools including node. Blockchain package management tooling contributed by IBM.
Composer is a user-facing rapid prototyping tooling, running on top of Hyperledger Fabric, which allows the easy management of Assets data stored on the blockchain , Participants identity management, or member services and Transactions Chaincode, a. The resulting application can be exported as a package a BNA file which may be executed on a Hyperledger Fabric instance, with the support of a Node.
Composer provides a GUI user interface "Playground" for the creation of applications, and therefore represents an excellent starting point for Proof of Concept work. Hyperledger Explorer is a blockchain module and one of the Hyperledger projects hosted by The Linux Foundation. Designed to create a user-friendly Web application, Hyperledger Explorer can view, invoke, deploy or query blocks, transactions and associated data, network information name, status, list of nodes , chain codes and transaction families, as well as any other relevant information stored in the ledger.
Hyperledger Quilt is a business blockchain tool and one of the Hyperledger projects hosted by The Linux Foundation. Hyperledger Quilt offers interoperability between ledger systems by implementing the Interledger protocol also known as ILP , which is primarily a payments protocol and is designed to transfer value across distributed ledgers and non-distributed ledgers. The Interledger protocol provides atomic swaps between ledgers even non-blockchain or distributed ledgers and a single account namespace for accounts within each ledger.
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