Usually with the notion of trafficking, for instance in relation to drugs, you traffic drugs. Another person can use them. If I traffic information, it's the person I traffic to who has the intention to commit a crime.
There's a sequence of steps that may be different from the case of trafficking in firearms or trafficking in a physical object. Once I've trafficked in contraband, the object itself is illegal to posses. If I traffic in drugs or firearms to another person, they now possess something, and it's a crime to possess it. Here we're talking about information, which is not a crime merely to possess. If I give you the information, I still need to have a belief or a suspicion that you are going to use it in a criminal act.