EditorialFILE PHOTO: Japanese musician Sakamoto takes part in a moment of silence during a rally in Tokyo, to mark the second-year anniversary of the March 11, 2011 earthquake and tsunami
Editoriala map of the bitcoin blockchain constructed using data leakages. As the researchers described, “each agent corresponds to a single map tile, whose area is proportional to the quantity of bitcoin mined by the agent”. (Alyssa Blackburn and Erez Lieberman Aiden/The New York Times)