Uphold, a digital money platform, today announced the launch of its new debit card  for UK customers that pays industry-best rates of up to 4% rewards in XRP. Unlike other comparable cards, the Uphold Card will not charge non-sterling transaction fees making it ideal for travel and use overseas. A US version of the card will launch over the next week and will be fully available by the end of the month.[2] Rewards are accrued...