MarsSeed [1] filed a deletion request for proxmark3-flasher [2]: Broken, and discontinued 3 years ago. [a]
Arch repo carries the working continuation fork: https://archlinux.org/packages/?name=proxmark3 [a]: https://github.com/Proxmark/proxmark3/ [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/proxmark3-flasher/
