JPMorgan Payments has been the largest acquirer of cardnot- present transactions in Europe for nearly 10 years. PayPal has been the top digital wallet provider for ecommerce transactions in Germany, France, Italy, Spain, the UK and 15 other European markets for just as long. The companies have signed a referral partnership that calls for JPMorgan to promote PayPal’s Fastlane guest checkout technology to its European ecommerce merchants. Guest checkout can appeal to online buyers who don’t want a PayPal wallet. Merchants are interested because the speed of expedited checkout increases co...