Don't use Nexus Market they are certified scammers.
http://nexusb2l7hog66bnzz5msrz4m5qxj7jbi7aah3r65uzydy5mew2fu3id.onion
I deposited money but didn't receive in my wallet. I contacted with support but they refused my all requests even stop giving me reply. After 2 months I contacted again...