a821 [1] filed a deletion request for dbb-app [2]: Orphan, no votes, broken sources (deprecated git:// protocol). Upstream is archived and superseded by BitBoxApp, available in the AUR as bitbox-wallet-app-appimage.
[1] https://aur.archlinux.org/account/a821/ [2] https://aur.archlinux.org/pkgbase/dbb-app/
