I see what you mean. I looked up blockcoin ( I though it might be an interesting domain name), and I found this.
blockcoin
Information on blockcoin
Trade volume Less than 25 BTC
Number of confirmed trades 2 …with 1 different partners
Feedback score 100 %
Account created 11 months, 2 weeks ago
Last seen 3 weeks, 1 day ago
Language English
Email Verified 11 months, 2 weeks ago
Phone number NOT verified
Trust Trusted by 1 person
Hardly seems worth the effort of setting it up. I'm sure I could get more than 1 different partner ( good job she's gone to the garden centre
).