Blog > 2018

Preventing Sybil attacks

29 October 2018 Lars Brünjes 8 mins read

Preventing Sybil attacks

Building on last week’s post by Professor Aggelos Kiayias, IOHK’s chief scientist, I want to use this post to discuss another choice we made when designing Cardano’s reward mechanism. The mechanism is designed to give an incentive to stakeholders to ‘do the right thing’ and participate in the protocol in a way that ensures its smooth, efficient and secure operation. As was…

Stake pools in Cardano

IOHK’s chief scientist introduces staking

23 October 2018 Prof Aggelos Kiayias 17 mins read

Stake pools in Cardano

In a proof of stake (PoS) blockchain protocol, the ledger is maintained by the stakeholders that hold assets in that ledger. This allows PoS blockchains to use less energy compared with proof of work (PoW) or other types of blockchain protocols. Nevertheless, this requirement imposes a burden on stakeholders. It requires a good number of them to be online and maintain…

Ouroboros Genesis presented at flagship conference

IOHK research on proof of stake appears at CCS in Toronto

18 October 2018 Jane Wild 4 mins read

A third major paper from the Ouroboros line of research was presented at a leading computer security and cryptography event yesterday, a recognition of the contribution the work makes to the field of computer science. The paper, Ouroboros Genesis, was presented by researcher Christian Badertscher at the 25th ACM Conference on Computer and Communications Security, held in…

An Open Letter to the Cardano Community from IOHK and Emurgo

A joint statement from Charles Hoskinson and Ken Kodama

12 October 2018 IOHK and Emurgo 14 mins read

To the Cardano Community, Cardano is an amazingly diverse and vibrant project that is rightfully being recognised throughout the world. Our community contains tens of thousands of engaged and passionate volunteers, advocates, contributors and fans in countries ranging from Argentina to Zimbabwe. This growth is due to our commitment to innovation, transparency, balance of power…

Functional correctness with the Haskell masters

Training to build quality code on scientific excellence

26 September 2018 Lars Brünjes 6 mins read

Functional correctness with the Haskell masters

At IOHK, we are proud of our scientific approach and close collaboration with academia. We publish in peer reviewed scientific journals and present our results at acclaimed international conferences to ensure that our protocols and algorithms are built on rock-solid foundations. Our software must reflect this scientific excellence and quality, which means that we need a process…