需要 openSUSE Slowroll ，用 root 執行：
zypper addrepo https://download.opensuse.org/repositories/network:cryptocurrencies/openSUSE_Slowroll/network:cryptocurrencies.repo
zypper refresh
zypper install libff
需要 openSUSE Factory ，用 root 執行：
zypper addrepo https://download.opensuse.org/repositories/network:cryptocurrencies/openSUSE_Factory/network:cryptocurrencies.repo
zypper refresh
zypper install libff
需要 16.0 ，用 root 執行：
zypper addrepo https://download.opensuse.org/repositories/network:cryptocurrencies/16.0/network:cryptocurrencies.repo
zypper refresh
zypper install libff
需要 15.6 ，用 root 執行：
zypper addrepo https://download.opensuse.org/repositories/network:cryptocurrencies/15.6/network:cryptocurrencies.repo
zypper refresh
zypper install libff