Darknet Market Oasis has added Monero to its payment options. This marks the first DNM to start accepting Monero for payments and a major shift in cc payment options on the dark web--this falls in the wake of more chatter about Circle and Coinbase monitoring accounts.
Oasis's announcement can be found here:
https://np.reddit.com/r/DarkNetMarkets/comments/4yv1dc/oasis_we_now_accept_monero_xmr/
In heavy trading, more than 12% of its market cap, the coin rose into the coinmarketcap top 10.