Read more on this subject: Bitcoin News Story Source: The Economist On august 11th 2017 far-right groups from all over America came to Charlottesville, Virginia, to protest against the removal of a Confederate statue. The next day a white supremacist drove his car into a crowd of counter-protesters, killing one of them. In the aftermath PayPal, an online-payment platform whose terms of service forbid raising money to promote hate, suspended extremists' accounts. So did Apple Pay and Google Wallet. Visa and Discover, two credit-card firms, followed suit, as did Patreon, a crowdfunding site. Far-right groups found themselves in search of...