Unijoin posted a new article : Bitcoin: The story of early versions of digital money

This is an extremely interesting subject and, IMO, unfortunately too under-documented!

We all owe a lot to these trials and these attempts - also unsuccessful - of creating a perfect digital money which opened the way to Bitcoin.

This reminds me of this other excellent article from Gazeta: Bitcoin: The dream of Cypherpunks, libertarians and crypto-anarchists