There's not a lot of information, all we know that Samsung confirmed it has begun mass production of ASIC chips for a cryptocurrency client.
“Samsung’s foundry business is currently engaged in the manufacturing of cryptocurrency mining chips. However we are unable to disclose further details regarding our customers,” a company spokesperson told TechCrunch.Bitmain and Canaan Creative use TSMC for their ASIC chip production. South Korean media claims Samsung is making the chips for an unnamed Chinese distribution partner.