Worried someone on some other site might just suddenly decide to delete all the data you have collected while progressing through your game. If you want, paste a duplicate here.
Please remember, no code dumps and no code hacks. That's really not nice.
General investigations into the mechanics of client-server games however, are welcome.
Method 1: You can safeguard your data by pasting it into a comment on this page.
Method 2: Create your own page on this site to safeguard your tinkering data.