Open problems

This page maintains an overview of some major open problems we encountered as well as important features which aren't implemented yet (together with links to related open issues where feasible):

• How to rotate the VRF-key for re-randomizing the tree: rel. issue

• Auditing mechanism: details

  • explore alternatives/additions to auditing: pro-active security through CoSi or "the" blockchain see discussion for further details/pointers

• first-party (identity provider) account verification

• how to deal with different error-messages (server- and client-side): issue

• explore alternatives to temporary-bindings: issue

• key-change operation: issue

• PKI for server-keys: issue

• "whistle-blowing": issue

TODO: (IK) complete above list and structure it when it becomes longer