The RSK token, brought to you by the RootStock Project, is now available in Jaxx. RSK is the first open-source smart contract platform with a 2-way peg to Bitcoin that also rewards Bitcoin miners via merge-mining. All Jaxx users can now send, receive, transfer, and hold their SBTC.
The RSK team has published a write-up of their project here.
You can follow RSK developments using the following channels: