In 2015 “blockchain” technology evolved from a novel backwater to a mainstream matter. A clear distinction has been drawn between bitcoin and other cryptocurrencies, on one side, and the technology that underpins them (now known as “distributed-ledger technology”). Today, virtually every large financial institution is exploring it. What was hailed as a great disruptive force for incumbents has evolved into an even greater enabler for them. In 2016 the first commercial implementations will start to be rolled out.