​​Stafi Protocol has released timeline of rTokens rollout. According to the blog post rDOT to be released on testnet on Feb 25th, and the mainnet rDOT & rKSM will come together in late March. rATOM to be released in mid April. The total value locked(TVL) in rFIS and rETH reached around $12M atm.
rToken is a staking derivative and an alternative token for PoS tokens. rToken, that will be available for trading/lending, provides liquidity of staked assets while still earning staking rewards.