It's like a mining pool that uses web traffic. It doesn't actually create Bitcoin but rather earns them through advertising fees (paid in Bitcoin of course). Each new website that adds the free script adds traffic to the advertising pool. Each site also receives a shopping cart to sell advertising in the pool for commissions (again paid in Bitcoin).
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Coinmining is a Bitcoin cloud mining service providers to enable customers to avoid the physical hassle of mining Bitcoin like heat, hosting issues, installation charges and electricity bills. The package provided by the coinmining starting with free in the free package you can earn 0.00126000 BTC per day and you will qualify to earn 1.81440000 ... BitcoinOnlinePool is an industry leading Bitcoin mining pool. All of the mining power is backed up by physical miners. Mining with the latest algorithms allows to make as much Bitcoin as possible. We aim to provide you with the easiest possible way to make money without having to do any of the hard stuff. Slush Pool is the 1st mining pool with more than 1.2M BTC mined since 2010. Explore features such as advanced payouts, monitoring and more. The Bitcoin.com mining pool has the lowest share reject rate (0.15%) we've ever seen. Other pools have over 0.30% rejected shares. Furthermore, the Bitcoin.com pool has a super responsive and reliable support team. Bitcoin Minings is a mining pool that allows you to make free mining with video cards and in return you don't charge any fees. We are the only company in the world to meet these conditions.