F2pool is a Chinese multicurrency mining pool founded in 2013. Now it has servers located in the USA, Canada, Russia, Singapore, and several other countries. The pool has a big number of supported coins. Currently, it is possible to mine around 40 currencies on F2pool.
Headquartered in Hong Kong, Miner Bros is a mining equipment seller. The customers are able to purchase devices capable of mining cryptocurrencies online and pay in Fiat or BTC. The company deals into brands like Bitmain, Innosilicon, Baikal, IBeLink, and Whatsminer. The product shipments are performed within 48h of the order confirmation.
Founded in early 2018, Whalesburg is still at MVP stage but already profitable. The pool hashrate is steadily growing as more features are being added. Whalesburg is a profit-switching mining pool that also offers track progress. The mineable coins supported by Whalesburg at the moment are ETH, ETC, UBQ, ELLA, EXP, PIRL.