Blog > 2018

Backwards-incompatible changes in Cardano 1.4 Wallet API

Matthias Benkort and Jacob Mitchell cover what's new

18 December 2018 Matthias Benkort 4 mins read

Simplicity and Michelson - Input Output

Backwards-incompatible changes in Cardano 1.4 Wallet API

In this blog, wallet API lead Matthias Benkort explains backwards-incompatible Cardano wallet API changes that are coming in Cardano 1.4, and devOps lead Jacob Mitchell shows how to build a Cardano client with both the old V0 wallet API and the new V1 wallet API, instead of the default option providing only the new API. This blog post is mainly intended for current users of the…

A guide to how Cardano is versioned

Tatyana Valkevych, Darko Mijić, and Jacob Mitchell explain

18 December 2018 Tatyana Valkevych 6 mins read

Simplicity and Michelson - Input Output

A guide to how Cardano is versioned

Cardano, the third-generation blockchain, is evolving. Cardano changes are planned as product increments within Cardano development phases, and are implemented and released as Cardano software. In this blog, product manager Darko Mijic, release manager Tatyana Valkevych and devOps lead Jacob Mitchell clarify how Cardano is versioned as a blockchain product and as software, and…

Launching Plutus and Marlowe at the inaugural PlutusFest

IOHK’s new smart contract tools for developers and financiers

17 December 2018 Amy Reeve 3 mins read

Launching Plutus and Marlowe at the inaugural PlutusFest - Input Output

Last week IOHK hosted the inaugural PlutusFest at the University of Edinburgh. Members of the IOHK team flew in from around the world, with interested academics, developers, financiers, and members of the press also in attendance.

Professor Philip Wadler reprises his role
as Lambda Man, PlutusFest style.

IOHK research fellow Philip Wadler opened the event - and his shirt, in traditional Lambda Man style - followed by a keynote from CEO and co-founder…

Marlowe: financial contracts on blockchain

11 December 2018 Prof Simon Thompson 4 mins read

Marlowe: financial contracts on blockchain

The first computers were programmed in “machine code”. Each kind of system had a different code, and these codes were low-level and inexpressive: programs were long sequences of very simple instructions, incompressible to anyone who had not written them. Nowadays we are able to use higher-level languages like C, Java and Haskell to program systems. The same languages can be…

Smart contracts language for Cardano launches at PlutusFest

Plutus Platform is developed by a world-leading team

11 December 2018 Prof Philip Wadler 4 mins read

Smart contracts language for Cardano launches at PlutusFest

Today IOHK releases Plutus Platform, a smart contracts language for the Cardano blockchain. You can try out Plutus online, with no need to download or install anything, via Plutus Playground. Plutus Platform is open source. You can find code, documentation, and sources here. IOHK is unique among cryptocurrency companies for its insistence on basing its development on peer…