Are they the same thing? Are they different? I've seen both mentioned, but where are each described?
The Cold Guild vs The Cold Trade?
My understanding is that the 'cold trade' refers to the act of dealing in prohibited xeno items, while the Cold Guild is a particularly large cold trade organization. The main source of info on the cold trade is The Radical's Handbook .
Edited by Adeptus-BCold Trade: DotDG p. 72-74