~/talk

Credential Format Comparison SIG

on YouTube 09m
Talkat Open Source Summit Europe 2023 · on Tuesday, 2023-09-19· [web-platform, security]

speaker

name:Torsten Lodderstedt
links:none on file

resources

video:https://youtu.be/y2CQcutAq3s
slides:none on file

summary

OpenWallet Foundation hosts a Credential Profile Comparison SIG that turned a crowdsourced Google Sheet into a searchable metrics configurator showing signature algorithms, revocation styles, holder key binding, X.509 issuer keys and implementation status. It catalogs about 17 formats and—if you combine all dimensions—roughly 3 million combinations. The tool helped ID Union pick SD-JWT over JSON‑LD and anoncreds after revealing an incompatibility between unlinkability and hardware-backed key protections; the configurator is live and relies on community contributors to stay current.

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