Major cryptocurrencies saw a slide on Monday, as a potential fallout of the fresh tariffs announced by the United States on some of its allies, with investors fearing an impending escalation in global wars and looking to move out of risky assets. Bitcoin was at a three-week low and ether at its lowest since September. With a 25 per cent tariff on Canada and Mexico, and 10 per cent on China effective from Tuesday, US President Donald Trump has kicked off his promise of protectionist trade policies, triggering a fresh trade war with America’s top three trade partners that are...