PandaPool is a multi-cryptocurrency mining pool with servers located in Europe. Users can mine BTG, ZEC, HUSH, MUSIC, KMD, BCN, SUMO, ZCL, ELLA, SIB, XMR, GBS and more. The pool runs on both PPLNS and PPS payment systems and there is a 1.5% fixed fee. It also features DDOS protection.
Miners can also earn extra income through the up to 75% referral program bonus offered by PandaPool.
PandaPool has its own GUI mine for windows supporting the most up-to-date and popular algorithms and coins. You can download it here - https://pandaminer.co
HashGains - is an enterprise of the American company Futuristics Internet Services that was launched in 2017. HashGains includes more than 1,500 professionals in their field, but also several mega data centers.