Please send the whole amount as one transaction and pay attention to the network fees so the amount is correct. If you send more or less, a contract for the actual sum we receive will be created. You can purchase a minimum of 20 Gh/s. If you send less than this, mining won’t start until the minimum amount is received. Note that maintenance costs are not included in the initial price of contract. They are charged in BTC and are calculated according to the USD/BTC exchange rate for the specific day. If there is not enough money for maintenance payments during 3 days, the contract will be cancelled. When you pay for the contract, it will become active from 00:00 UTC. You will receive your first reward the following day after you start mining. Note that if you make payment after 23:00 UTC, there is a slight chance that your contract will be activated only in 1 day, as some time is required to process the order. When your contract is activated and the first day of mining passes, you will start receiving daily profit from it. You can always check your overall Bitcoin balance and withdraw it in the Dashboard. To access detailed information about a contract, click on its number in the tab “Hashing power”.