---
title: Notes on macaroons and their implementation in haskell
author: Julien Tanguy
date: 2015-05-13
---

Macaroons are not better than readily available SPKI/SDSI

They provide a framework for any token-based credential systems in the cloud

Examples: 
- Cookies
- OAuth tokens
- SAML/OpenID assertions
- unlisted URLs

Macaroons support: 

- attenuation
- delegation
- contextual confinement