Bit-z is quite under radar right now ! Huge trading volume on some coins only traded there, 0.1 fee, and a huge referral program !
a must check
https://www.bit-z.com/user/signup?pid=1508301
Bitcoin.com is just one domain name used to promote Bitcoin. Bitcoin.com is not an official website. Just like nobody owns the email technology, nobody owns the Bitcoin network.
As such, nobody can speak with authority in the name of Bitcoin.