Congratulations! I've read the white paper (twice) and I am beginning to understand about 25% of it! Whenever I hear about protocols that support building custom currencies, I get all giddy.
The feeling I had when I first learnt about the MasterCoins project, or ColoredCoins or OpenTransactions or NXT has just been magnified even more by seeing what Ethereum is about to bring to the table.
I will be keeping a close on this one.
What happens to these MasterCoins, ColoredCoins, OpenTransactions or NXT projects?