First thing to do before investing in altcoins, dogecoin

Interest in altcoins, or alternative digital coins, like dogecoin, surged this year. And among the investors at the forefront is billionaire Mark Cuban, who has built a portfolio of different digital coins and blockchain companies.

His cryptocurrency holdings consist of 60% bitcoin, 30% ether and 10% other altcoins, he disclosed in April. His altcoin holdings include dogecoin, which he bought with his 11-year-old son Jake earlier this year, and litecoin, which he disclosed during a Reddit…

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