This post showed Feathercoin as a blockchain fork of Litecoin.
This Wikipedia page mentions:
Interstingly, Feathercoin uses the exact same genesis block as Litecoin (essentially, the Feathercoin blockchain is a fork of the Litecoin blockchain).
I wonder if we can learn anything from this.
You need an account in order to star coins, keep track of your portfolio, set up alerts, vote on coins as well as use all the other advanced features.