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Blockchain-based credentials can make getting back to work and school easier post-COVID-19. But we must resist the urge to put every life achievement on a blockchain.
A credential service provider (CSP) is a trusted entity that issues security tokens or electronic credentials to subscribers. [1] A CSP forms part of an authentication system, most typically identified as a separate entity in a Federated authentication system. A CSP may be an independent third party, or may issue credentials for its own use. [1]
Relationship between entities, identities and attributes / identifiers Decentralized identifiers (DIDs) [1] can be used to enable self-sovereign identities.. Self-sovereign identity (SSI) is an approach to digital identity that gives individuals control over the information they use to prove who they are to websites, services, and applications across the web.
Using blockchain, as opposed to relying on trusted third parties, it is possible to run highly accessible, tamper-resistant databases for transactions. [32] [33] With help of blockchain, tokenization is the process of converting the value of a tangible or intangible asset into a token that can be exchanged on the network.
RAs, however, do not sign or issue certificates (i.e., an RA is delegated certain tasks on behalf of a CA)." [4] While Microsoft may have referred to a subordinate CA as an RA, [5] this is incorrect according to the X.509 PKI standards. RAs do not have the signing authority of a CA and only manage the vetting and provisioning of certificates.
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Verifiable credentials (VCs) are digital credentials which follow the relevant World Wide Web Consortium open standards. They can represent information found in physical credentials, such as a passport or license, as well as new things that have no physical equivalent, such as ownership of a bank account.
Hyperledger Cello is a blockchain module toolkit and one of the Hyperledger projects hosted by The Linux Foundation. Hyperledger Cello aims to bring the on-demand "as-a-service" deployment model to the blockchain ecosystem to reduce the effort required for creating, managing and terminating blockchains.