@techreport{agentrust2026ca2a,
  title = {cA2A: Confidential Agent-to-Agent Delegation as a Profile on A2A},
  author = {Rishabh Poddar and Aaron Fulkerson and Imran Siddique},
  institution = {AgenTrust},
  year = {2026},
  type = {Technical report},
  note = {Version 3; not peer reviewed},
  doi = {10.5281/zenodo.23091279},
  url = {https://agentrust-io.com/research/ca2a/v3/}
}