NEW YORK--(BUSINESS WIRE)--Prometheum Ember Capital LLC (“Prometheum Capital”), a subsidiary of Prometheum Inc., announced today the launch of its digital asset securities custody platform. Financial institutions, corporates, and institutional investment firms can now custody digital asset securities through Prometheum Capital, a FINRA member firm and SEC-registered special purpose (“SPBD”) broker-dealer for digital asset securities. As an SPBD, Prometheum Capital is a ‘qualified custodian’. Un