Bjorn Hamel

Chief Security Architect; Workday
Bjorn is Chief Security Architect at Workday where he works with Engineering and Product Management to shape the future direction of core Workday Security Services. He serves as a technical architect for an internal Research and Development group that drives adoption and practical application of new technology. He has spent the last 15 years in Security and Identity roles spanning both engineering and hands-on architecture across government and private industry. Bjorn is also a prolific whiteboard illustrator whose co-workers have often mused about creating an Instagram account just for tracking his visual depictions of how things work.

Bjorn's Session

Friday, June 28
9:30 - 10:20 am
Adventures in Self-Sovereign Identity: From Hyperledger Indy to W3C Verifiable Credentials
Self-Sovereign Identity (SSI) holds the promise to give consumers a new measure of control back over their online digital identity. A number of emerging technologies have matured over the last year which are key enablers towards bringing SSI to a broader audience than ever before. In 2018, Workday participated in a technical proof of concept with ATB Financial, IBM and Evernym to demonstrate interoperability of SSI Credentials across Human Resources, Government and Banking systems. For developers and architects curious how to design and build their own SSI systems, I’ll explain the cryptographic protocol flow and specifics of how this integration was created leveraging Hyperledger Indy and Anonymous Credentials to issue, prove and verify decentralized credentials. We’ll look at actual JSON messages and code snippets to get a feel for how the protocol works with an eye towards you being able to go back and build your own proof of concept. I’ll go on to show how this same protocol interaction could be built using the draft W3C Verifiable Credentials and Decentralized Identifier standards, and finally compare and contrast the two approaches.

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