Tokai Tokyo Financial Holdings joins SGX, Temasek subsidiary Heliconia, and leading Thai investment bank Phatra as a key investor in the iSTOX platform. Press Release – SINGAPORE – 18 Nov 2019 – iSTOX, the first regulated capital markets platform in any major financial center to support the one-stop issuance, custody, and trading of digitized securities, announced today that it has secured USD 5 million in funding from Japan-based