Bitcoins and blockchains

Before we really get started, I want to point out that there is a common misunderstanding that bitcoins and blockchains are terms for the same things – they are not. More of that to come. Blockchain has some rather superfluous statements surrounding it; such as ‘The Great economic leveler’, or Silicon Valley investor Marc Andreessen refers […]

Certificate Housekeeping

Nearly every application software brings a number of certificates with it. If you ask long-term IT security experts, they typically estimate that between 30 to 3,000 certificates are installed on any given PC. In reality a standard Windows 8.1 system easily has 30,000 and more certificates. MacOS 10.6 contains 2,000 certificates. Even on a Linux […]