It would not have to be encrypted
Oh boy. Believe me, it absolutely has to be encrypted :)
Anyway, websites can't just write arbitrary stuff on your disk, so you would need to go through a third party in any case, like a browser extension at the least. What you want is really one of those password & credential managers that encrypt and save this information on the cloud (so that you can access it on any computer), this is an already solved problem. Another advantage is it automatically works for all websites. This is the correct way to implement it on the client side, and if anybody comes up with a better idea, it is probably wrong. (Creative thinking is really discouraged in the computer security community :) Not kidding.)
Well I'd think GoG galaxy could write something, it is a program not a webpage and could save information the same as any other program does.
And what this all boils down to in the end is I want GoG to be looked at by many people, and game devs as a place as good as Steam, contrary to what some may say I have not insulted any one, though being told you are wrong by 20 people at once can be a bit daunting, especially when they offer no real counters. This is not a board room were we talk and get all serious, this is a forum were we throw out ideas and see if anyone can come up with a good one.
Regardless of how much we love GoG, it is like the only major site, that I have been on does not allow 1 or 2 click purchasing for returning costumers. Maybe it is not an issue for anyone here...but I think it is a bigger issue to people that might not post in a forum, or might usually buy elsewhere.
The fact is to be as good as other sites, they'd need to offer the things that most others do, the GoG galaxy is a start, it keeps everything up-to-date, and keeps a list of your library, easier payment options would not hurt anyone, I'll let them, or any of you figure out how to implement them the best way, but others are doing it already so we can't pretend it is like sci-fy crazy talk.
If you really think GoG is great, and don't want to see it get bigger, and offer more drm free games, then just let this topic die. If you think maybe doing something to make more users actually come here and use the site to buy their games, is a good thing then try to add something productive.
I am not the standard guy that comes on the net to prove something by having a different opinion, not do i care about trolling. I just see more popular sites allowing a bit easier ways to do things and think, "I wonder why they don't do it like the others?"
And if it is wrong for me to suggest this stuff then, I am guilty, but I know if they can find a way to make safe easy transactions more people will use it, I offered my horrible ideas...many work for the other sites, and sadly most people would never post here, they would have just said GoG sucks and left.
I won't be posting any more replies to how I am wrong, unless you offer something new to counter it. I will just read "you are wrong" as GoG is perfect the way it is.