Find the right promo code for Genesis Mining cloud bitcoin and altcoin mining operation. Whether you decide to mine sha-256 or any scrypt coin (litecoin, dogecoin, darkcoin, feathercoin, viacoin, ...) you have the choice to use your own costly hardware or switch it to the cloud for a better and longer efficiency. To maximize said efficiency you can use a promo code or a voucher to lower even more the original cost. Promo codes are updated so that there is always at least one working. Also some other cloud mining operation (like Cex.io, zeushash and cryptomine) are also included when codes are available.