http://c25o7knygjm3m67jy27yuynvv4pkfi25naucscmh4ubq2ggiig3v57ad.onion/en/how-to-fix-the-issue-with-ca-certificates-in-guix.html
Even if you install nss-certs , the /etc/ssl/certs directory is not created, and the CA certificates are not installed in it. Therefore, when software you use need the CA certificates, you have
to teach them about where these are located in Guix. For software with excellent portability, it is often possible to direct
them with an environment variable, so in this case, it is enough to set a few.