wget -c https://sia.tech/releases/sia-signing-key.asc
gpg --import sia-signing-key.asc
wget -c https://sia.tech/releases/Sia-v1.5.0-SHA256SUMS.txt.asc
gpg --verify Sia-v1.5.0-SHA256SUMS.txt.asc
unzip Sia-v1.5.0-linux-amd64.zip
sha256sum --check --ignore-missing Sia-v1.5.0-SHA256SUMS.txt.asc