http://zuf7xa6ut5cbwxkmirslyb7g3wcrklkdukgvpyw37uqbo7igbvbkbnqd.onion/buy.html
Well, you still can encrypt your messages, we do not forbid that, it is up to you, but this is not necessary because of the encryption of ALL server data using an AES 256bit standard. All your communication with the seller is stored locally, it is encrypted too.