this kind of service does exist [1]. however:
-you have to trust the manager of the laundry to get your bitcoins back
-the dirtiness of the average coins may be quite high
-it costs money (X %)<p>Note the existence of alt coins with increased anonymity, such as ZeroCoin [2]<p>[1] <a href="https:&#x2F;&#x2F;en.bitcoin.it&#x2F;wiki&#x2F;Bitcoin_Laundry" rel="nofollow">https:&#x2F;&#x2F;en.bitcoin.it&#x2F;wiki&#x2F;Bitcoin_Laundry</a>
[2] <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Zerocoin" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Zerocoin</a>