Cryptocurrency market worth more than Warren Buffett's firm

The combined market value of all cryptocurrencies has now surpassed the $500 billion mark, making them more valuable than billionaire Warren Buffett's Berkshire Hathaway ($491 billion). The most valuable cryptocurrency is Bitcoin ($280 billion), followed by Ethereum ($68 billion) and Bitcoin Cash ($32 billion). Notably, the total value of digital currencies has climbed more than 2,800% this year.