So the Decred devs would need to fulfill item #1, 3, and 6. I'm pretty sure items #2, 4, 5, and 8 are already fulfilled, and per item #7, DCR will get removed again if nobody trades for 2 months. (I find this situation unlikely.) I also have to chuckle a little at #5, which should make Ethereum invalid for adding to Bitsquare, even though it's already on there. (to transfer Ether, you first need to melt down some of it into fuel, which is used to fund the transaction. The methods for doing this are not adequately explained anywhere.)
#1 looks irrelevant, and #3 looks too easy. So all we really need then is #6, "the rules for validating a correct address".