In the “Default Trust” tab in Seahorse there are several personal certificates named simply “(null)”, which are issued by “No name”. There’s nothing on their property pages. What are these? Can they be safely deleted?
I run GNOME Keyring Daemon like this:
eval $(/usr/bin/gnome-keyring-daemon --start --components=gpg,pkcs11,secrets,ssh) export GPG_AGENT_INFO SSH_AUTH_SOCK