© Reuters. FILE PHOTO: A bitcoin is seen in an illustration picture taken at La Maison du Bitcoin in Paris, France, June 23, 2017. REUTERS/Benoit Tessier/File Photo By Hannah Lang and Kanjyik Ghosh (Reuters) -Bitcoin, the world’s largest cryptocurrency, hit a three-month high on Monday, rising 3.62% to $31,087 amid investor enthusiasm about the possibility