It’s not 70%, it’s more like 60%. Supposedly, only 21 million bitcoins are in existence (however invisible, digital and intangible that may be). It is said that a thousand early buyers of the digital coin own fully 40% of the world’s supply. (And I bet ya dozens of these bitcoin billionaires are drug smugglers, given that’s how bitcoin got its start.) You are betting on the honesty and integrity of drug dealers when you buy bitcoin as a long term investment.
Um, how do you become a drug baron with Bitcoin when it was only possible to mine or buy truly epic amounts when it was effectively worthless?
One shipment of 'shit' would've wiped out the market completely. Silk Road only came along in 2011 long after when most of these people were already established.