The above-discussed software works great if you just have one mining rig to work with. Buying bitcoin with a debit card is the fastest way. CGMiner prevents stale work submission on new blocks and supports multiple pools with intelligent failover mechanisms. By Rajat Sharma. Scroll up to learn more! Buy Bitcoin Worldwide receives compensation with respect to its referrals for out-bound crypto exchanges and crypto wallet websites. HashNest currently has over Antminer S7s for rent.