I smell phising too: price to low, address is from Denmark but from the whois of the site seems owned by a society called "Gy dfd" with a chinese address but USA (AL) as nation. (by the way searching the address xing ling gang jie bring other sites on the same address all with absolutely random Organization Name).
Domain Name.......... btkoin.com
Creation Date........ 2012-08-18
Registration Date.... 2012-08-18
Expiry Date.......... 2013-08-18
Tracking Number...... 1739484791_DOMAIN_COM-VRSN
Organisation Name.... Gy Ddf
Organisation Address. xing ling gang jie 98 hao
Organisation Address.
Organisation Address.
Organisation Address. feng xing shi
Organisation Address. 562548
Organisation Address. AL
Organisation Address. UNITED STATES
Admin Name........... Gy Ddf
Admin Address........ xing ling gang jie 98 hao
Admin Address........
Admin Address........
Admin Address. feng xing shi
Admin Address........ 562548
Admin Address........ AL
Admin Address........ UNITED STATES
Admin Email..........
btkoincom@yahoo.com Admin Phone.......... +1.052685478569
Admin Fax............