Poseidon Hashing Library

January 12, 2026 ยท View on GitHub

This package contains the Poseidon hashing interface, formerly in the Noir standard library.

Noir version compatibility

This library is tested to work as of Noir version 1.0.0.

Benchmarks

Benchmarks are ignored by git and checked on pull-request. As such, benchmarks may be generated with the following command.

# execute the following
./scripts/build-gates-report.sh

The benchmark will be generated at ./gates_report.json.

Installation

In your Nargo.toml file, add the version of this library you would like to install under dependency:

[dependencies]
poseidon = { tag = "v0.1.1", git = "https://github.com/noir-lang/poseidon" }