Elon Musk, the tech billionaire and the richest man on earth and CEO of Tesla and SpaceX, has long been associated with cryptocurrencies. His tweets and public statements have moved the markets, earning him the nickname "The Dogefather." But what are the three main cryptocurrencies held by Elon Musk....

1. Bitcoin

2. Ethereum

3. Doge

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$DOGE .#proppeseguy