I'd add MONERO. The deep web will get crazy with it, really nice for shady business.

I was going to fry my already-bought-used GTX 650 to mine some monero, however, I'd fry it BEFORE I could even withdraw the monero coins from all pools that I've found out there. So, I think that we still need to be careful when it comes down to little details like this if we think about low quantity. I wouldn't get "rich" with it, I'd get fucked.