Fixing my fixie

Isabell and I have decided to go travelling for 6 months later this year. And in order to have fewer and less expensive things to put away in storage, I recently decided to sell my racing bicycle. This also means that I will focus more on running this year to stay in shape. But don’t worry, I still have my fixie bike that I’ve been sorting out today, in the sun. Here’s a short description of what I’ve done along with a picture gallery.

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My wish list for 2018

My birthday is coming up soon, and I was asked; what do you wish for your birthday? This is a hard question, because generally I don’t want many physical things in life. But after a lot of thinking, I realised that I recently have enjoyed reading a book before falling asleep. For some reason, I have never enjoyed reading fictional books. The few books that I have enjoyed reading have been history books, autobiographies or technical books.

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Two balls and the colour-blind friend

Zero-knowledge proof cryptography is something that I have lots of interest in. It’s a type of cryptography that allow a prover to prove to a verifier that a certain statement is true, without revealing anything else apart from that statement. ZK-SNARKS, a variant of zero-knowledge proofs, is being built into Ethereum (it already exists in zCash). In this blog post I’ll refer to a very simple story that explain how zero-knowledge proofs work. Continue reading “Two balls and the colour-blind friend”

Bitcoin is not money

It’s sometimes hard to frame conversations around cryptocurrencies like Bitcoin and Ether. That’s largely down to the fact that no one can truly express what these things are, and what they mean to humans and our society. These are entirely new organisms that lack precedence. But finding the right definitions are going to be important because it will ultimately decide if and/or how governments will regulate these things. Is Bitcoin money? Is Bitcoin a network or a protocol? Is Bitcoin a community? It’s none of the above and all of them at the same time. Continue reading “Bitcoin is not money”