Crypto Assets and Quantum Computing

by Tim Johnston February 24, 2020

In The Code Book: The Science of Secrecy from Ancient Egypt to Quantum Cryptography, Simon Singh takes the reader on a journey through the history of encryption. He traces the evolution of cryptography and details its dramatic effects on wars, nations and individual lives. In reading The Code Book, it becomes clear that throughout history, […]

A New Framework of Ownership

by Tim Johnston September 17, 2019

Ownership of crypto assets is about control. ‘Owning’ a crypto asset allows the holder of the private keys to control future transactions of those crypto assets. Ownership of crypto assets doesn’t feel the same as ownership of other assets, which usually comes with physical possession and/or legal rights. Let’s look at an Ethereum transaction. I […]

The Unwritten Rule of Crypto

by Henrik Andersson April 30, 2019

Image: The game Satoshi’s Treasure — if you find the key, the bitcoin is yours. This article was inspired by an article in Wired titled “A ‘Blockchain Bandit’ is Guessing Private Keys and Scoring Millions”. It’s a fascinating story of how a security consultant uncovered how millions of ether has been transferred out of Ethereum […]

Financial Privacy and Cryptocurrencies

by Henrik Andersson December 10, 2018

As I write this blog post, the Australian government has just enacted a decryption bill that according to experts can only lead to systemic weaknesses that will put us all at risk. Apple is protesting this bill in a letter saying: “Encryption is simply math. Any process that weakens the mathematical models that protect user […]