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This has been removed from the CIP-0057 specification since validators are often re-used for multiple purposes (especially validators with arity 2). It's misleading to assign a validator a purpose since the purpose distinction actually happens _within_ the validator itself.
A modern smart contract platform for Cardano
QuickStart
Prerequisites
For now you'll need rust installed, see rustup.
Getting started
In case you have fresh installation of rustup you might need to do:
rustup install stable
$ cargo install --git https://github.com/aiken-lang/aiken.git
$ aiken --help
Alternatively nix builds are available via flakes.
How to use
For more information please see the user manual.
Roadmap
Aiken defines its roadmap using Github Milestones. The roadmap isn't set in stone, but gives a high-level overview of where the project is headed for.
Contributing
Want to contribute? See CONTRIBUTING.md to know how.
Note
The name comes from Howard Aiken, an American physicist and a pioneer in computing.