* Bump to arkworks-0.4.0 * Replace remaining usages of `msm_bigint` with `msm_unchecked` Using `msm_unchecked` instead of `msm_bigint` allows to delete the BigInt conversion code by letting the library take care of it.
* update nix to flake * add nix sanity check cronjob
- add mock circuits - add vanilla and jellyfish plonk gates - performance tuning