The package golang-github-btcsuite-fastsha256 0.0~git20160815.0.637e656-1.1 has been added to kali-rolling. It has been imported from Debian: https://tracker.debian.org/pkg/golang-github-btcsuite-fastsha256 -- More information about golang-github-btcsuite-fastsha256: http://pkg.kali.org/pkg/golang-github-btcsuite-fastsha256
