So I think it's more Lock, Stock, and Two Smoking barrels - with the big Bitcoin penny being used to smash in people's heads along the way -
"hey, why's there so much blood on this thing?"
"you don't wanna know"
"I do want to know Tom, I do - enlighten me, where did all this blood come from? Wait a minute, is that hair and bits of brain down here? You don't normally see that kind of thing on coinage of the realm Tom"
on edit: formatting, and made dialog more Ritchiean.
"hey, why's there so much blood on this thing?"
"you don't wanna know"
"I do want to know Tom, I do - enlighten me, where did all this blood come from? Wait a minute, is that hair and bits of brain down here? You don't normally see that kind of thing on coinage of the realm Tom"
on edit: formatting, and made dialog more Ritchiean.