U.S. Presidential candidate John McAfee tweets that Bitcoin is truly junk

According to U.today news, US Presidential candidate John McAfee tweeted today that the future of cryptocurrencies depends on altcoins, while Bitcoin is old, without security and smart contracts, and is a real shitcoin. Previously John McAfee was known for holding Bitcoin permanently, and predicted that BTC would reach $ 500,000 by the end of 2020.