Samsung could be bringing some competition into the ASIC crytocurrency miner market as it is looking to produce its own ASICs. The company, is also looking to align its fabrication development with TSMC and hopes to complete the 4nm process by end of 2020.
https://www.notebookcheck.net/Samsung-Foundry-to-manufacture-ASIC-cryptocurrency-miners-looks-to-produce-4nm-chips-by-2020.281396.0.html