signature from “Pedro Henrique Lara Campos root@pedrohlc.com ” is unknown trust Iam Try : sudo pacman -S archlinux-keyring blackarch-keyring sudo pacman -Sy sudo pacman -Syu sudo pacman -Syyu this report : sudo pacman -Syyuu :: Synchronizing package databases... core …

Please, though Chaotic has HTTPS, never suggest this. @siapa , looks like you (or some app) recreated your pacman-keyring and forgot to populate chaotic. The solution is to recreate it once more, and with all the populates: sudo rm -rf /etc/pacman.d/gnupg sudo pacman-key --init sudo pacman-key --p…