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Harrison Tang Profile
Harrison Tang

@tang_talks

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Tech entrepreneur. Spokeo CEO. W3C CCG Co-Chair. SoCal Monte Jade Chairman. Stanford alum. Father of 4 sons.

Pasadena, CA
Joined March 2007
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@tang_talks
Harrison Tang
12 days
If you want to learn more, you can watch the recording of the presentation and discussion here (start at the 8-min 45-sec mark): https://t.co/U227EB9Ixz If you agree with no phone home, you can also sign the statement here: https://t.co/K2azj9KyPt
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@tang_talks
Harrison Tang
12 days
He also shared that while server retrieval is technically optional in the ISO 18013-5 specification, it is often required for cross-jurisdictional interoperability - effectively making server retrieval mandatory. While enterprises might benefit from server retrieval in certain
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@tang_talks
Harrison Tang
12 days
Many privacy experts advocate against such a system because it violates holder/user privacy, as well as decentralized identity’s core tenets. Steven shared how the State of Utah implemented ISO 18013-5 MDL with server retrieval, realized its privacy implications, and shut it
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@tang_talks
Harrison Tang
12 days
Kim Hamilton Duffy, Steven McCown, and Timothy Ruff led a great discussion on "No Phone Home" at W3C CCG. “Phone Home” or “Server Retrieval” is a mechanism in which digital credentials would contact their issuers during verification, enabling issuers to track credential holders’
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@tang_talks
Harrison Tang
28 days
If you want to learn more, you can watch the recording of the presentation and discussion here (start at the 6-min 20-sec mark): https://t.co/We72z75T5x
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@tang_talks
Harrison Tang
28 days
The value proposition for large platforms is to mitigate legal and reputational liability, and for smaller companies, it aims to reduce the cost of verifications. #DTI has built a prototype for data donations, which enables researchers to access user-donated data for studies,
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@tang_talks
Harrison Tang
28 days
Lisa Dusseault, CTO of Data Transfer Initiative, presented on "Data Transfer Initiative and Registry" at W3C CCG. #DTI works on personal data portability, and its trust registry aims to standardize and secure the verification process for personal data transfer. This registry
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@tang_talks
Harrison Tang
2 months
If you want to learn more, you can watch the recording of the presentation and discussion here (start at the 8-min 40-sec mark): https://t.co/cY4Uxqo9yI
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@tang_talks
Harrison Tang
2 months
Their implementation includes multi-key/multibase credentials, post-quantum credentials, and data integrity specs. They also demoed their identity wallet using VC 2.0, OID4VCI, and OID4VP, and their wallet integrated Google’s Longfellow zero-knowledge proof system that Abhi
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@tang_talks
Harrison Tang
2 months
Andrea D'Intino and Denis (Jaromil) Roio presented and demoed their "Multikey/Multibase Verifiable Credentials Implementation" at W3C CCG.
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@tang_talks
Harrison Tang
2 months
If you want to learn more, you can watch the recording of the presentation and discussion here (start at the 10-min mark): https://t.co/4wOfxnGrIq
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@tang_talks
Harrison Tang
2 months
- The initiative focuses on creating a common core data model with an extension mechanism to accommodate industry-specific needs. - UNTP's architecture relies on verifiable links between different credentials, requiring robust identity verification and secure data access
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@tang_talks
Harrison Tang
2 months
- The enormous scale and complexity of international trade ($25 trillion annually, significant costs due to tariffs and non-tariff barriers, illicit trade). - UNTP aims to reduce costs, combat illicit trade, and support sustainable practices by enabling verifiable and traceable
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@tang_talks
Harrison Tang
2 months
W3C CCG is the biggest self-sovereign identity / decentralized identity community, and we have more than 500 active members passionate about digital credentials. We hosted our first-ever meet-and-greet breakout sessions last week, and we would love to meet more of you next time!
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@tang_talks
Harrison Tang
2 months
If you want to learn more, you can watch the recording of the presentation and discussion here (start at the 7-min 55-sec mark): https://t.co/9S3n9NVicD
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@tang_talks
Harrison Tang
2 months
Wolf McNally and Christopher Allen from Blockchain Commons presented "Provenance Marks" at W3C CCG. Providence Marks leverages “forward hash chain” to create a smart "serial number" that shows tamper-proof and verifiable authenticity - which is needed to prove value.
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@tang_talks
Harrison Tang
3 months
If you want to learn more, you can watch the recording of the presentation and discussion here (start at 10-min mark): https://t.co/v6LgnScwkY
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Harrison Tang
3 months
Verifiable Credentials #VC 2.0 has just become the official standard, and the community is working toward promoting the Render Method https://t.co/pzbWJR8BLU and the Confidence Method https://t.co/tMPBFPBlzO to VCWG.
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@tang_talks
Harrison Tang
3 months
Brent Zundel, the co-chair of Verifiable Credentials Working Group #VCWG, led a discussion on "What’s Next at Verifiable Credentials Working Group" at W3C CCG.
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@tang_talks
Harrison Tang
3 months
My birthday man's wish is for everyone to have great #health! Because no matter how many 0's you have, you need at least a 1 in front to be meaningful.
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