14-final hq

Alonzo HFC

On September 12th, with Epoch 290 came a new era of Cardano - an era of Smart Contracts. To enable such functionality the network had to undergo a series of HFC events:

  1. 16.12.2020 Allegra 
  2. 01.03.2021 Mary
  3. 12.09.2021 Alonzo

Each upgrade was necessary but it’s the Alonzo HFC that transitioned the network from Shelley to the Goguen era. A significant milestone for the entire community worth celebrating. 

What is HFC?
HFC (Hard Fork Combinator) It’s a way for Cardano blockchain to upgrade without causing any system interruptions. Every time such an event occurs you realise how seamless and easy it appears. 

The following artwork visualises that by showing a document 📄 shaped system module with the logic board inside, symbolising Smart Contract. The module is ready to deploy. Simply plug it in - just like a new computer module on your PC. Easy!

The module contains a series of components that expands the functionality of the Cardano blockchain. These terms are commonly found in the Cardano community.

  1. Goguen - 3rd era of Cardano after Shelley. It allows developers to build decentralised applications (DApps).
  2. Plutus Core - scripting functional language similar to Haskell.
  3. eUTxO - extended unspent transaction output. It's a technical term describing the way of keeping track of transactions on the blockchain. It's a mix of UTxO (Bitcoin) and Account Model (Ethereum).
  4. Marlowe - is a high-level, domain-specific language (DSL) for financial contracts which is built on Plutus.
  5. Haskell - the language is named for Haskell Brooks Curry, whose work in mathematical logic serves as a foundation for functional languages. Haskell is based on the lambda calculus, hence the lambda we use as a logo. Cardano at its core is based on Haskell.



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