There is one more requirement that Dash addresses - which kind of characterises all of it's approaches from there on.

Bitcoin compatibility. Thats why Dash has been able to garner a wealth of infrastructure to support it - from desktop wallets to mobile and hardware ones, hassle-free support from exchanges, not to mention all of the new technologies that are now starting to emerge to support bitcoin.

Without that compatibility, establishing an eco-system around the coin is like swimming through syrup. (IMO. But, some other coins have had a problem with the most basic of tools    ).