WIP: ZK-Proof aggregation

[bkolad]

Description

Linked Issues

• Fixes # (issue, if applicable)
• Related to # (issue)

Testing

Describe how these changes were tested. If you've added new features, have you added unit tests?

Docs

Describe where this code is documented. If it changes a documented interface, have the docs been updated?

[CLAassistant]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you sign our Contributor License Agreement before we can accept your contribution.
_{You have signed the CLA already but the status is still pending? Let us recheck it.}