Summary
A protocol supporting a general purpose verifiable presentation exchange regardless of the specifics of the underlying verifiable presentation request and verifiable presentation format.
Details
This protocol is proposed here: https://github.com/decentralized-identity/waci-didcomm/blob/main/present_proof/present-proof-v3.md
It is part of WACI-DIDComm Interop Profile v1.0, colloqually known as WACI PEx, a DIDComm v2 profile for supporting the Wallet and Credential Interaction (WACI) Protocols for both Issuance and Presentation Exchange. It is defined here: https://identity.foundation/waci-didcomm/v1.0/