Definition: Blockchain Ledger ABB is a Technology Service that enables the procedures to record, share, and synchronize transactions in the respective electronic ledger. Source: World Bank Source reference: https://www.worldbank.org/en/topic/financialsector/brief/blockchain-dlt Additional information: Electronic Ledgers means the electronic master records of all contracts of the Sellers or the Issuer similar to and including the Contracts Example: The following implementation is an example on how this specific Architecture Building Block (ABB) can be instantiated as a Solution Building Block (SBB): OpenCHAIN is an open-source blockchain platform with distributed ledger technology. This blockchain company is suitable for organizations managing digital assets in secure and robust ways. Blockchain technology does not require fees for mining and the Bitcoin blockchain is significant for its immutability. https://www.openchainproject.org/ eira:iopDimension: Structural IoP LOST view: TVI-Trust Infrastructure Enablers [Motivation] eira:iopSaliency: Blockchain Ledger ABB is salient for technical interoperability because it established the elements to publish public services and subsequent information securely across a trustworthy network. Identifier: http://data.europa.eu/dr8/BlockchainLedgerTechnologyService eira:ID: http://data.europa.eu/dr8/BlockchainLedgerTechnologyService ABB name: eira:BlockchainLedgerTechnologyService EIRA concept: eira:ArchitectureBuildingBlock