Currently I am thinking about next developing path for UPAS based on Dfintity & Working Group feedback. 
First point is a unified UPAS canister that implements the Issuer API, issuing credentials based on user validation for a specific achievement (passed as an argument).

Essentially, our implementation will be based on $ICP VCs:

Currently I am thinking about next developing path for UPAS based on Dfintity & Working Group feedback. 
First point is a unified UPAS canister that implements the Issuer API, issuing credentials based on user validation for a specific achievement (passed as an argument).

Essentially, our implementation will be based on $ICP VCs:
https://internetcomputer.org/docs/current/developer-docs/identity/verifiable-credentials/issuer