Sygnum, a Switzerland and Singapore-based digital asset bank and crypto trading platform, raises $90M led by Sun Hung Kai & Co. at an $800M valuation (Joanna Ossinger/Bloomberg)

 Joanna Ossinger / Bloomberg: Sygnum, a Switzerland and Singapore-based digital asset bank and crypto trading platform, raises $90M led by Sun Hung Kai & Co. at an $800M valuation  —  Sygnum, which runs a digital-asset...