Since the release of mainnet, IOHK engineers have not only started work planning the new features of Shelley, the next big release, but have also been evolving the way they work. The biggest change is that the team developing Cardano will follow a new release cycle where updates are more regularly made to the live software. This is now possible because we have the foundation of…

Since day one, Ethereum Classic has been driven by principles. What began as a disparate group of people who came together after the DAO hack and the consequent hard fork on Ethereum has now become a strong and growing community, united by a belief in immutability and that code is law. So it was tremendously exciting to see everyone gather at the first Ethereum Classic Summit…

In our previous blog post Cryptocurrencies need a safeguard to prevent another DAO disaster we discussed the need for high assurance development of cryptocurrencies and their underlying blockchain protocols. We also sketched one way in which one might go about this, but we did not give much detail. In this follow-up blog post we delve into computer science theory a bit more…

Cardano has been an incredibly challenging and fun project to work on involving many teams throughout the world with different skills and opinions on design, process and quality. Our core technology team consists of Well Typed, Serokell, Runtime Verification, Predictable Network Solutions and ATIX, with IOHK leading them. Then we have external auditors such as Grimm, RPI Sec…

The IELE and K team Mathematical rigor and good design of programming languages and underlying virtual machines are critical for the success of blockchain technologies and applications. Indeed, decades of accumulated evidence show that formal techniques and their early adoption in the design of computing systems can significantly increase the safety, security and dependability…