Minimum deposits: 0.001 BTC to 600 BTC maximum. The number of deposits is not limited.
For PerfectMoney and Payeer, the minimum withdrawal amount is 0.0001 BTC. For cryptocurrencies (Bitcoin, Litecoin, Ethereum, Bitcoin Cash, Dogecoin and Dash), the minimum withdrawal amount is 0.0005 BTC.
miningtower.biz offers 2 levels of referral fees – 5% commission for each deposit made by your direct referral from its portfolio, the second level commission is 1%.