Bitcoin Blender(Bitcoin Tumbler) is a very impressive service if you want to maintain your anonymity when you make purchases online. It can also be useful if you want to do p2p payments and donations. The service is used to blend a person’s funds and give this person some fresh bitcoins. The focus here is on making sure that the blender has the ability to confuse the trail as somebody could try to figure out the source. The best blender is that one that keeps your anonymity at a max.