Most of the World’s Biggest Cryptocurrencies Are Down Today ByNikhilesh DePRO INVESTOR Updated: 30 August 2021 DisclosureWe sometimes use affiliate links in our content, when clicking on those we might receive a commission – at no extra cost to you. By using this website you agree to our terms and conditions and privacy policy. It’s been a day of major losses so far across the cryptocurrency markets, with the top 20 all in the red and a big chunk knocked off the total value.