Cryptocurrency that doesn't waste your time
Coda is a new cryptocurrency with a constant size blockchain, improving scaling while maintaining decentralization and security.
Monero: the secure, private, untraceable cryptocurrency
Just a really simple, insecure and incomplete implementation of a blockchain for a cryptocurrency made in Python as educational material. In other words, a simple Bitcoin clone.
An Experimental Non-Blockchain Cryptocurrency for Fast Micro Payments
Compare cryptocurrency trading data across multiple exchanges and blockchains in the comfort of your terminal
A cryptocurrency implementation in less than 1500 lines of code