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.
With this site you earn free gram coins and exchange them for money current price per coin is $2.47. What is Gram? Gram is a cryptocurrency based on a TON blockchain platform developed by Telegram. A feature of Gram is the high speed of transactions. Cryptocurrencies implemented on early blockchain platforms due to the low speed of transactions are more suitable for investment than for use as a payment tool. For inctance, Bitcoin can provide only 7 transactions per second for all users, Ethereum - 15. The Gram blockchain platform is expected to be millions of transactions per second. According to the developers, Gram should become a crypto-analog of Visa and Mastercard.
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