bellpepper 
This is a fork of the great bellperson library, Itself a fork of the great bellman library.
bellpepper is a crate for building zk-SNARK arithmetic circuits and generating witnesses for those circuits. It
provides circuit traits and primitive structures, as well as basic gadget implementations such as booleans and number
abstractions.
License
Licensed under either of
- Apache License, Version 2.0, |LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0)
- MIT license (LICENSE-MIT or http://opensource.org/licenses/MIT)
at your option.
Contribution
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.