This is the report of the Ursa project.  

Project Health

Ursa has been in a relatively stable state recently, which is nice considering the Sovrin foundation let go of all of its technical staff, some of whom contributed extensively to Ursa (and thankfully still are).  We are continuing work on "fancy" crypto primitives like zero knowledge proofs.  We have substantially improved the efficiency of some of our elliptic-curve based primitives recently, which should hopefully make adoption more compelling.

Questions/Issues for the TSC

We are always interested in getting in touch with others who want to use cryptography, and particularly so for people that want to use non-standardized crypto like threshold signatures or zero knowledge proofs.  If this describes you, please feel free to get in touch with us.


We've had two releases since the last report, which focused on BBS+ signatures.

April 29:  bbs-v0.3.0

May 18:  bbs-v0.4.0

Overall Activity in the Past Quarter

Current Plans

Maintainer Diversity

Current Active Maintainers:

Contributor Diversity

Current Contributor Affiliations:

We would especially like to note that our most prolific contributor (Mike Lodder) is now an independent contributor (so if you are hiring, take note).  In addition, we would like to thank the BCGov team for contributing quite a bit this quarter.

Additional Information

Ursa meeting attendance has increased a bit as of late, although this has not directly translated (hopefully yet) into more contributors.  

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