Blackarch not downloading

[Letmehavethatuser]

If I try to download blackarch it says “blackarch: signatures from “levon ‘noptrix’ Kayan (blackarch developer) [email protected]” is unknown trust”

[BluishHumility]

You need to update the package signing key.

Issues with “signature is marginal trust”, "signature is unknown trust", or “invalid or corrupted package”

If you're getting an error similar to "Can’t update: signature from *** is marginal trust" or "invalid or corrupted package" you probably just need to update your package signing keys: sudo pacman -Sy archlinux-keyring chaotic-keyring sudo pacman -Syu If you have added any other repositories, e.g. BlackArch, then add their keyring to the list. Also make sure your system clock is correct! Of course, it's also possible that the package file actually is corrupt. Remove it from /var/cache/pacman…

See also:

FAQ - Frequently asked questions

[Yada]

If above doesn’t work or you probably wanna try something shorter,
go into /etc/pacman.d/blackarch-mirrorlist

You will find servers that have # before them, [This are commented out] and those that don’t which are the ones currently working.
example:

#Server = ftp:some-server-giving-you-headache/$repo/os/$arch

Now you can choose to comment those that are not commented, i.e adding a # symbol in front of them while updating, until you find the non working server. Or Comment all the ones that are uncomment and uncomment 1 by 1 till you get working servers.

I think I may have complicated myself.