As reported earlier, the default main page of Greenzap, the self proclaimed alternative to Paypal doesn't have a security certificate.
It is not actually true, they do have one
Greenzap don't know how to use it
I did a little investigating...
Typing in https://www.greenzap.com
You get a security certificate requester pop up, which you can authorise and access the site securely.
Greenzap just need to juggle their access to default to secure mode, but in the meantime I suggest everyone does it manually for them.
And for when affiliate links go live use