In the middle of June there will be a transformation of the SBTC in NASH. DPOW will be abolished to go to DPOS. Mining to the ASIC will be stopped. While there is possibility - try to mine.
http://www.bikuai.org/news/its crazy how unknown sbtc's news is, but it does look like they are rebranding to NASH.
https://forkdrop.io/super-bitcoin