> But if you don't know what bl—ch— in the third paragraph refers to It took me longer than it should (pre-caffine) to parse this part of the article, so I'll

> But if you don't know what bl—ch— in the third paragraph refers to It took me longer than it should (pre-caffine) to parse this part of the article, so I'll supply a hint. The article describes it as a "distributed cryptographic ledger," and Bitcoin is another instantiation of this idea.