By Elizabeth Howcroft PARIS (Reuters) -Global hedge funds' exposure to crypto markets is increasing, and more than half are now invested ​in the sector, with the U.S. government's embrace of digital ‌assets boosting interest, according to an industry report published on Thursday. Fifty-five percent of hedge funds hold some ‌crypto-related assets, up from 47% the year before, with funds allocating on average 7% of their holdings to crypto, a survey of 122 investors and fund managers by the Alternative Inv ...