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Wednesday June 24, 2026 3:30pm - 3:55pm PDT


WhatsApp (Meta) launched its flagship Confidential Computing use-case last year (https://engineering.fb.com/2025/04/29/security/whatsapp-private-processing-ai-tools/), introducing one of the first large-scale applications of confidential computing. In this presentation, we will go over an overview of how Private Processing works, the operational lessons we learned while deploying confidential virtual machines at the scale of WhatsApp, and where we think the evolution of our Private Processing stack will take us for years to come.

Topics:
- CVM hardening
- Binary transparency
- OHTTP
- Remote Attestation TLS (RA-TLS)
- Debugging CVMs in production
- Virtual Research Environment
- And others
Speakers
avatar for Elizabeth Li

Elizabeth Li

Tech Program Manager, Meta
Elizabeth manages the Private Compute Program at Meta. She is responsible for leading the Private Compute Platform Team to build the platform foundation, including Confidential Virtual Machine(CVM) & Communication, CVM & Host Transparency, Developer experiences improvement,  and... Read More →
avatar for Henry Wang

Henry Wang

SWE, Meta
N/A.
avatar for Kevin Hui

Kevin Hui

Software Engineer, Meta
Kevin works on the Private Compute Platform team at Meta. This team is responsible for the infrastructure surrounding Private Processing and other privacy-preserving products at Meta leveraging Trusted Execution Environments.

Kevin focuses on the build tooling and virtualization aspects of Confidential Virtual Machines, enabling developers at Meta to write privacy-first products without having to worry about the low-level details surrounding confidential computing... Read More →
avatar for Varun Patil

Varun Patil

Research Scientist, Meta Platforms Inc
Varun is a researcher at Meta building Private Processing, WhatsApp's secure and private AI inference platform powered by trusted execution.
avatar for Yunqi Li

Yunqi Li

Research Scientist, Meta
Yunqi works on the WhatsApp Server Privacy team, where they contribute to core messaging systems and privacy-focused technologies including Trusted Execution Environments (TEE), Binary Transparency, and Audit Transparency.

At the intersection of systems engineering and applied... Read More →
Wednesday June 24, 2026 3:30pm - 3:55pm PDT
Courtyard

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