Bitcoin has lost more than half of its value in a month and a half, is it time to sell or buy cryptocurrencies? Posted byMairem Del Río May 24, 2021 Leave a comment on Bitcoin has lost more than half of its value in a month and a half, is it time to sell or buy cryptocurrencies? The price of cryptocurrencies is on a dizzying roller coaster and if you have a few Bitcoins in your wallet, you may be hesitating between keeping them, selling them or buying more.