In this paper, we gather together the minimum units of Bitcoin identity (the individual addresses), and group them into approximations of business entities, what we call “super clusters”. While these clusters can remain largely anonymous, we are able to ascribe many of them to particular...

Back to 2008, Nakamoto combined the distributed ledger technology with cryptography and gave origin to what is now known as blockchain technology. The blockchain technology allows for a trustworthy record of transactions among anonymous without the need of a neutral central authority. The...

Over millennia, mankind has used hard cash in various forms ranging from shells to gold coins and paper. More recently, cash has become unpopular in political circles, as it effectively restricts states’ power to tax (explicitly or via negative interest rates) or to survey and potentially...