To address this critical security gap, transaction order-fairness has been proposed as a third essential consensus property. Fair-ordering protocols ensure that the final order of transactions depends ...

Two mathematicians have proved that a straightforward question—how hard is it to untie a knot?—has a complicated answer.

Abstract: Internet of Things (IoT) and wireless sensor networks (WSN) have significant potential for a wide range of applications. However, these methods are hindered by resource constraints, ...