TSP(Tron based STEEM POWER) can be exchanged on JustSwap TSP/TRX pool. If you provide TSP/TRX liquidity, you can make fee profits. To mine TRC-20 PNUT, TSP or TSP/TRX LP token are used for it.
For implementing the last consolidation of STEEM and Tron, Nutbox which is a development team of PNUT is planning to develop PNUT mining function of TSP as a collateral using smart contract on JustLend. Then, the team will integrate STEEM blockchain and other blockchains via Polkadot blockchain.
(8). Nutbox white paper