In computer security an important type of an attack in a decentralized system like Internet is a Sybil attack. The core of the attack is that many protocols we have developed depend on the assumption that each entity participating in a protocol participates only…

Internet of things (IoT) has some big issues. Interoperability is one. And potential vendor lock-in and data silos are another.

But I do not buy that blockchain is the solution to those problems.

In the previous blog post I presented one example of a confusion when talking about democracy: we use democracy for both “one person, one vote” and “one dollar, one vote” approaches to voting. But the issue is much broader. Saying that something is…