EOSC Synergy published a white paper on the state-of-the-art of Digital Badge issuing technologies as part of its software quality assurance architecture.
The document is available in open access at the Digital.CSIC repository: http://dx.doi.org/10.20350/digitalCSIC/12505
Digital badges are part of the EOSC Synergy strategy towards promoting and rewarding adherence to quality standards and best practices applied to software and services in EOSC.
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These quality achievements will be identified and rewarded through digital quality badges issued by the EOSC Synergy software quality assurance as a service (SQAaaS). The white paper provides an overview of digital badge issuing technologies and discusses their suitability.