can i connect my browser to my account so i don't lose my bookmarks if my computer is damaged ?
However, the only way to be sure that you will not loose your data is by doing regular backups.
If you can't log in and you can't use the password recovery then you are out of luck.
"we have reset all the Opera sync account passwords as a precaution"
I have no problem with forcing third-party avatar hosting, but why limit it to just one provider, one that demands email addresses in return for this trivial-in-2016 service?