Info from whois.net:
Domain Name: BITCOINARR.COM
Registrar: SHANGHAI YOVOLE NETWORKS INC.
Whois Server: whois.yovole.com
Referral URL:
http://www.yovole.com Name Server: NS3.YOVOLE.COM
Name Server: NS4.YOVOLE.COM
Status: clientTransferProhibited
Updated Date: 22-mar-2013
Creation Date: 22-mar-2013
Expiration Date: 22-mar-2014
I m small googling of SHANGHAI YOVOLE NETWORKS INC. found this 1 year old topic:
http://answers.yahoo.com/question/index?qid=20120413222051AALz56uIf you follow the link, the website has been replaced by serving notice of civil lawsuit [Southern District of Florida].
I think it's safe to assume that this is a scam.