Archive for Jun 2021


Building an SSI Ecosystem: Health Passes and the Design of an Ecosystem of Ecosystems

Ever since the Covid pandemic started in 2020, various groups have seen verifiable credentials as a means for providing a secure, privacy-respecting system for health and travel data sharing. This post explores the ecosystem of ecosystems that is emerging as hundreds of organizations around the world rise to the challenge of implementing a globally interoperable system that also respects individual choice and privacy.
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Reciprocal Negotiated Accountability

The self-sovereign internet underscores a tension between those who desire perfect oversight of society and those who desire perfect privacy. In this post, I explore a method for conditional legibility of private communications.
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The Self-Sovereign Internet

I'm attended the Hyperledger Global Forum this last week–all virtual. I spoke on DIDComm and the Self-Sovereign Internet. If you're not up to speed with DIDComm and how it creates a secure overlay network on TCP/IP, you should be. I consider it one of the most important things to come out of the SSI movement.
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Building an SSI Ecosystem: MemberPass and Credit Unions

How does a functioning credential ecosystem get started? This post looks at MemberPass, the credit union credential ecosystem and explores the strategies credit unions are using to gain broader adoption.
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SSI Interaction Patterns

Interaction patterns in SSI differ from what we see in a traditional IAM system that is performing authentication and authorization. This post discussed three different authentication and authorization patterns and then shows how they are all specializations of the general verifiable credential exchange pattern.
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