CryptoTab is the world's first browser with built-in mining feature. It lets you earn cryptocurrency just by visiting sites, watching videos or chatting online. It is a browser extension that mines cryptocurrency and pays you in bitcoin. You do nothing at all, and it mines in the background while you are using your browser.
RollerCoin is an online Bitcoin mining simulator game, which rewards you with Bitcoin (BTC), Ethereum (ETH) and Dogecoin (DOGE). As part of the game, you build your own virtual data centre to generate power. This “virtual power” then allows you to mine real satoshi coins, ETH and DOGE. Compete with friends to see who can earn the most!
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