Blog - Divvi Up

The MPC foundations of Divvi Up were already post-quantum secure, but there was still work to do to close the remaining safety gaps.
Recap of our PEPR ‘26 presentation on real-world DAP deployments
A year of growth and progress.
Proving your identity to online services can open the door to deanonymization and other privacy risks, but privacy enhancing technologies like Divvi Up can help detect and mitigate such harms in cases where preventing them is impossible or difficult.
Reflecting on a decade of growth, innovation, and impact at ISRG.
A human rights defender nonprofit adds Divvi Up to their Android App.
An overview of the how differential privacy can be combined with the Distributed Aggregation Protocol, and related recent developments.
Check out our tutorial video on how to get started with Divvi Up in five minutes.
A stronger privacy posture with OHTTP and DAP for telemetry.
What we’ve learned and how we’ve evolved Divvi Up through the process of writing an Internet Standard in the IETF.
A summary of how ISRG’s three projects, Let’s Encrypt, Divvi Up, and Prossimo continue to improve security and privacy.
Firefox telemetry metrics will be collected in a privacy-preserving way with Divvi Up.
We’re pleased to announce that Horizontal is Divvi Up’s first production user, bringing privacy-respecting telemetry to their work at the intersection of technology, human rights, and justice.
On the road to a privacy-preserving metrics MPC service that is ready for production
Support for ISRG’s newest project, Divvi Up, a service for privacy-preserving metrics
A new aggregation algorithm and preparing for production.
It's been an exciting year for ISRG and its projects: from Let's Encrypt issuing its three billionth certificate to Prossimo supporting the efforts to get Rust into the Linux kernel.
With more than $1M in funding from Open Tech Fund, Ford Foundation, Robert Wood Johnson Foundation, and Google, Divvi Up is building a privacy-respecting metrics service.
ISRG is part of the largest secure multi-party computation deployments. We’re sharing some lessons learned while building and running this system.
ISRG is developing a privacy-preserving metrics protocol and service based on Prio and Heavy-Hitters. The project is called Divvi Up.
ISRG serves as one of the data processors in the Prio-based privacy-preserving metrics system used by Apple and Google’s Exposure Notifications Express (ENX) system.
Today we are announcing a new project for ISRG: operation of Prio Services infrastructure. Prio Services will be a second project joining Let’s Encrypt under the ISRG umbrella.
Divvi Up is a privacy-respecting telemetry service brought to you by the nonprofit Internet Security Research Group (ISRG), which operates the Let's Encrypt and Prossimo projects. Read all about our nonprofit work this year in our 2025 Annual Report.
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