The Halo2 zero-knowledge proving system
This repository contains the halo2_proofs and halo2_gadgets crates, which should be used directly.
Requires Rust 1.88 or higher.
Minimum supported Rust version can be changed in the future, but it will be done with a minor version bump.
halo2 currently uses rayon for parallel computation.
The RAYON_NUM_THREADS environment variable can be used to set the number of threads.
You can disable rayon by disabling the "multicore" feature.
Warning! Halo2 will lose access to parallelism if you disable the "multicore" feature.
This will significantly degrade performance.
Licensed under either of
at your option.
Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in the work by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.
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