The Synthetix Staking Rewards Contract, is a contract where by when you stake a token and it sits for a while later you'd be able to claim a reward token. Also there is a algorithm used to calculate the amout of rewards you can get.
This is experimental software and is provided on an "as is" and "as available" basis.
The code is still under heavy development and testing, and is not audited.
The author(s) will not be liable for any damages or losses.