What is tor?
Tor is a free, open source program that allows you to make connections completely anonymously through their network. This can be used in two ways:
1) as a proxy. You can use Tor like any other proxy software to visit sites without exposing your IP. It is neigh impossible to find your real identity through the Tor network.
2) To access the darknet. The darknet refers to an area of the internet that's inaccessible in the way that the normal (referred to as clearnet) internet is accessible. The darknet can only be accessed through specialized programs, of which Tor is the most popular. The darknet hosts many different sites ranging from blogs and emails to human trafficking and assassins for hire. Since your connection to the darknet is completely anonymous, even if law enforcement were to commandeer the servers and logs of one of the sites on the darknet, it would be almost impossible to link your actions to your real identity.
So, the darknet is a great place to buy drugs. It works a lot like eBay or any other online peer2peer sale website where sellers get reviews and ratings so that you can easily find someone who you can trust to provide you with a good product. Marketplaces use an escrow system where the seller does not get paid until you receive your product, so seller scamming is a non-issue. Your personal details (things that go on the package that gets mailed to you) are not stored on any servers after the order has been completed.
To access Tor, download the
Tor Browser Bundle.
I'm not really going to walk you through the process of buying drugs though. I.e. this is for informational purposes only, and whatever other stuffty legal disclaimers people stick on their posts.