Quote Originally Posted by Gavilan View Post
Gold is payment in hand, deal and matter settled for ever upon exchange.

Bills, notes, bonds, titles, etc. are "promises to pay." And in the current superstructure "undefined promises to pay". Cyber currency is nothing more than a mere book entry which can signify an "undefined promise to pay".
Minor quibble over titles.

Titles are bundles of rights. Titles can be transferred in a commercial transaction, but titles in and of themselves are not "promises to pay".