A concrete introduction to Haskell

We'll implement a simple cryptocurrency in Haskell* as a concrete illustration and motivation of types and functional programming. Bring a laptop! Everyone is welcome, and we'll try our best to help if you have troubles installing and such.

• à la https://github.com/adjoint-io/nanochain and
  http://www.michaelburge.us/2017/08/17/rolling-your-own-blockchain.html