Ethteam allows the user to mine Ethereum Classic for a 1% fee and through a PPLNS payment system that dishes out payments at a 0.5 ETC minimum threshold. 10% of the pool's profits is donated to ETC developers.
Digger is a mining pool that allows users to mine Ethash cryptocurrencies such as Ethereum, Ethereum Classic and Expanse. Digger charges a 0.5% fee for ETH and a 1% fee for ETC and EXP and has a Prop payment system.
Sapphire is a Graphics card producer that can be used in mining alternative crypto currencies such as Ethereum and Litecoin. SAPPHIRE Technology is a leading manufacturer and global supplier of innovative components and solutions for PC systems for both consumer and professional applications. From its origins in the design and manufacture of state-of-the-art graphics add-in boards, the extensive SAPPHIRE product range has grown to include a broad range of professional and embedded products. Founded in 2001, SAPPHIRE is a privately held global company headquartered in Hong Kong.