Upthread there's a link to an Ars Technica article [1], which has this line: > He even ran a program called a "tumbler" to route incoming Bitcoin payments thro

Upthread there's a link to an Ars Technica article [1], which has this line: > He even ran a program called a "tumbler" to route incoming Bitcoin payments through a complicated series of dummy transactions, so as to make them infeasible to trace through the public Bitcoin blockchain. [1] http://arstechnica.com/tech-policy/2013/10/how-the-feds-took-down-the-dread-pirate-roberts/ http://arstechnica.com/tech-policy/2013/10/how-the-feds-took...