<p>The global ratings are fairly easy to manipulate as you describe, and it has been done before. There is some minor protection provided by the requirement that you need a positive OTC rating to rate anyone else.</p>

<p>#bitcoin-otc also supports "trust rating" (<a href="http://serajewelks.bitcoin-otc.com/trustgraph.php?source=theymos&amp;dest=Keefe" rel="nofollow">example</a>) which can't be easily manipulated.</p>

CC BY-SA 3.0
2012-05-11T00:26:28.533Z
2012-05-11T00:26:28.533Z
theymos
<p>What mechanisms does <a href="http://wiki.bitcoin-otc.com/wiki/OTC_Rating_System" rel="nofollow">OTC web of trust</a> have against someone creating several accounts and trading between with themselves over a period of time, giving each other perfect ratings. </p>

<exchanges><otc>
What stops someone from faking a rating on OTC web of trust?
David
# What stops someone from faking a rating on OTC web of trust?

(Asked by: username_0 on 2012-05-10)

What mechanisms does [OTC web of trust](http://wiki.bitcoin-otc.com/wiki/OTC_Rating_System) have against someone creating several accounts and trading between with themselves over a period of time, giving each other perfect ratings.

**Tags:** exchanges, otc


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## 1 answers

### Answer by username_1 on 2012-05-11. Score: 4

The global ratings are fairly easy to manipulate as you describe, and it has been done before. There is some minor protection provided by the requirement that you need a positive OTC rating to rate anyone else.

#bitcoin-otc also supports "trust rating" ([example](http://serajewelks.bitcoin-otc.com/trustgraph.php?source=username_1&dest=Keefe)) which can't be easily manipulated.


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