With digital health passes like the IATA Travel Pass becoming the focus of TV news and talk shows, the interest in W3C Verifiable Credentials (VCs) has never been higher. And the fact that digital passes contain sensitive personal health data is shining an extra bright spotlight on privacy. This underscores the crucial role of zero-knowledge proof (ZKP) technology in VCs, of which Evernym has been a most vocal proponent. This blog post explains the history of ZKP with VCs, and why the new BBS+ ZKP signature scheme is the breakthrough the industry has been looking for to converge on a
Quick Summary Although the EU’s approach to COVID-19 health certificates (the Digital Green Certificate) implements existing technology and supports both paper and digital credentials, offline usage, and speedy verification, it makes a number of security and privacy compromises. Our analysis found it to be inherently centralised and better suited for low assurance use cases. Background […]
The following was published as the conclusion to our series, The Seven Deadly Sins of Digital Customer Relationships. This chapter can be read as a great summary; however, if you’d like to dive deeper into any of the individual ‘sins,’ you can find the entire series here. A CODA So that’s it. Seven sins. And […]
The following was published as Chapter 7 of our series, The Seven Deadly Sins of Digital Customer Relationships. This chapter can be read by itself as a great introduction to the benefits of sourcing data directly from the customer. However, if you’d like to start from the beginning, you can find the entire series here. […]
