My biggest focus is the smart contract realm. ETH is the most well known, but the only actually working smart contract platform with GUI is Bitbay. It is a double deposit escrow that ensures contracts are finalized, otherwise both parties are risking funds. You can read through the BTCtalk page here Bitbay.
This is only one of the MANY items on the list of capabilities of the platform and the blockchain tech that Bitbay is working on