How to report win Trading , players are using this thing to level up which not good for the game .
You can report people via https://ingress.com/support but win trading is hard to prove and not that likely to get them banned.
Keep reports short and to the point with facts not opinions.
Thank you for bringing this to our attention, You can always report any inappropriate gameplay via the chat window in our Help Center: bit.ly/2MdSD5D. One of our representatives will take it from there and investigate. Thank you!