You can (illegally) buy designer drugs, such as the extremely dangerous Crystal Meth or Flakka, known also as Alpha PVP (alpha-Pyrrolidinopentiophenone) on some Chinese e-commerce websites. And you don’t need bitcoins or other exotic currency and neither to surf the darkweb.
CHINA-UNDERGROUND. Matteo Damiani is an Italian sinologist, photographer, author and motion designer. Matteo lived and worked for ten years in China. Founder of CinaOggi.it and China-underground.com.