There is quite a bit of demand for Bitcoin over illegal goods markets. The thing is though, buying bitcoins in the ways the black market would prefer usually comes at a premium nd other than that, the fact that correlating Bitcoin transactions to the type of activity they support ilmakes it difficult to compare the effect darknet markets have on the price over speculative markets.
Bitcoin have a privacy on its transaction so users have a freedom to chose on what transaction are the going to used on their bitcoin. And web is one of the way to make it happened. We all know that bitcoin is a crypto-currency meaning to say that is a currency powered by the technology which is the internet and one of the most distinguish and more facilitate web is the deepweb where users can do transaction on a wider and private way so it is possible and there is a strong bond between the two.