These ASIC machines mine at unprecedented speeds while carte minage bitcoin much less power than FPGA or GPU mining rigs. Several reputable companies have established themselves with excellent products.
For a comprehensive comparison of bitcoin mining hardware. Bitcoin mining is difficult to do profitably but if you try then this Bitcoin miner is probably a good shot. Being listed in this section is NOT an endorsement of these services. There have been a tremendous amount of Bitcoin cloud mining scams. Hashflare Review: Hashflare offers SHA-256 mining contracts and more profitable SHA-256 coins can be mined while automatic payouts are still in BTC.
Genesis Mining Review: Genesis Mining is the largest Bitcoin and scrypt cloud mining provider. Genesis Mining offers three Bitcoin cloud mining plans that are reasonably priced. Zcash mining contracts are also available. Hashing 24 Review: Hashing24 has been involved with Bitcoin mining since 2012. They have facilities in Iceland and Georgia.
Minex Review: Minex is an innovative aggregator of blockchain projects presented in an economic simulation game format. Users purchase Cloudpacks which can then be used to build an index from pre-picked sets of cloud mining farms, lotteries, casinos, real-world markets and much more. Minergate Review: Offers both pool and merged mining and cloud mining services for Bitcoin. Hashnest Review: Hashnest is operated by Bitmain, the producer of the Antminer line of Bitcoin miners. You can view the most up-to-date pricing and availability on Hashnest’s website.