The article is just hilariously bad. Whatever he writes about coca and cocaine is just wrong.

The leaves contain the base. The base has a low melting point and can be smoked (crack).

Cocaine hydrochloride is created chemically from the base. It is water soluble and can snorted. Because of the PH of the blood it decomposes into the base.

Chemically there is no difference once the drug is in the blood stream