I slid through the celebrating crowd like a ghost, keeping my helmet on and my head down. Spectators were cheering and shouting, but I couldn't afford to stop and bask in the victory. The prize money would come later - I'd read the details on the registration site about how winners collected their earnings through encrypted channels.

"Anonymous! Anonymous!" people were chanting, but I kept moving.

"Where's she going?" someone called out. "Doesn't she want to ...