DIGITAL ASSET HOLDINGS LLC / THE PNC FINANCIAL SERVICES GROUP INC. / THE DEPOSITORY TRUST & CLEARING CORPORATION / SANTANDER INNOVENTURES / ICAP PLC / DEUTSCHE BOERSE AG / CME VENTURES LLC / Citigroup / BROADRIDGE FINANCIAL SOLUTIONS INC. / ASX LIMITED / ABN AMRO / BNP Paribas / JP Morgan / Acquisition / Private / £35m