Fedora/RedHat distros comply with US patent law and remove this curve, which makes it impossible to run ethereum with distro provided Golang. File crypto/ecies/README claims it is unsupported anyway.
git-subtree-dir: crypto/ecies git-subtree-mainline: 49a739c8d647739b3d815966f8854a4e9978df56 git-subtree-split: 7c0f4a9b18d992166452d8cd32caaefd92b26386