It was a 40 year old bank too
356 karma · joined February 13, 2011
And how the "bloat" added by adding WebKit specific hacks to jQuery is just 3 half-lines of code, I think it would be safe to assume that if Opera was as big as WebKit is jQuery would also need a lot of hacks for it.
The torrenting part is done via Btapp.js/Torque.