The emblem is intended to be a surprise more than anything else. Keiran wasn't supposed to post about it. Confirmation isn't important, if someone finds a shiny they usually say so because it's a big deal. If I think someone was lucky enough then I give the emblem.
Sorry, I'll ask here then. How do you confirm for that emblem? It's the first time I heard of it, and I thought it might be worthwhile to mention in case another challenge player found one during the mission.
Speaking of Rare Candies...I have 70,00033,872 PokéMiles in the PokéMileage Club. That's not hacking, but I presume sending in a whole bunch of Rare Candies is discouraged for this. Might be best to ban Rare Candies entirely since it's hard to tell the difference.