FROST Release v3.0.0
We have just released FROST v3.0.0. You can find frost-core and the ciphersuite crates available on crates.io. This stable release follows v3.0.0-rc.0, which introduced the bulk of the changes in this major version. If you are upgrading from v2.x, please read the RC release post for the full picture—the changes described here are what’s new […]
Zcash Foundation Q4 2025 Report
The Zcash Foundation is committed to transparency and openness with the Zcash community and our other stakeholders. Today, we are releasing our Q4 2025 report, which provides an overview of the work undertaken by our engineering team, as well as an overview of other activities during this period. As with our previous quarterly reports, this […]
FROST Release v3.0.0-rc.0
We have just released FROST v3.0.0-rc.0. The main changes in this release have been changing the cheater detection feature to allow specifying as a function parameter instead of a compile-time feature, a big refactor of the repair share and refresh share functionality, improving our test coverage for serialisation and async, and some significant improvements to […]
Zcash Foundation 2026: Stewardship and Innovation
As we begin 2026, the Zcash Foundation (ZF) stands at a pivotal moment in its mission to steward privacy-preserving financial infrastructure for the public good. This year our priorities reflect both maturity and ambition. Across engineering, community engagement, and humanitarian initiatives, we are strengthening the tools that make privacy possible, deepening our collaborative partnerships, and […]
Zcash Foundation: 2025 Year in Review
As we look back on 2025, Zcash Foundation (ZF) celebrates a year of progress, collaboration, and strategic growth that strengthened the Zcash ecosystem and advanced financial privacy for the public good. Across technical development, governance, and community initiatives, our shared work this year reflected the Foundation’s enduring belief that privacy is essential infrastructure for human […]
FROST 2.2.0 Release
We have released FROST v2.2.0, which includes a security fix. There are no breaking changes in this release. For full details, please refer to the release notes. Security Fix This release adds validation for the min_signers parameter in the frost_core::keys::refresh functions. Before, it was not clear that it was not possible to change min_signers with […]
The State of FROST for Zcash
FROST, which stands for Flexible Round-Optimized Schnorr Threshold, is an advanced cryptographic protocol designed to improve threshold signature schemes. Unlike traditional single-party signatures, FROST enables a group of participants to collaboratively generate digital signatures using shares of a private key, so that only a specified threshold of participants is needed to authorize a transaction. This […]
FROST Demo Audit: frost-client and frostd
During Q1 2025, Least Authority (in their role as the Zcash Ecosystem Security Lead) undertook an audit of the FROST Demo code, including the frost-client command line tool and frostd server components. We expect that the FROST server, frostd, will be used by wallets to help participants and coordinators communicate with each other and that […]
FROST 2.1.0 Release
The Zcash Foundation is pleased to announce the release of FROST v2.1.0. This release includes a number of important changes and improvements to the FROST reference implementation. This release includes the frost-secp256k1-tr crate, which allows the generation of Bitcoin Taproot (BIP340/BIP341) compatible signatures and will be useful for ZSAs also, since BIP340 signatures will be […]
FROST 2.0.0 Release
The Zcash Foundation is pleased to announce the release of FROST v2.0.0. This release includes a number of important changes and improvements to the FROST reference implementation. The release introduces some breaking changes, motivated either by the goal of simplifying the API or to address issues. In particular, we changed the deserialization of elliptic curve […]