Feb 28 (Reuters) - Riot Blockchain Inc RIOT.O :
* RIOT BLOCKCHAIN APPOINTS ROB CHANG AS CHIEF FINANCIAL OFFICER
* RIOT BLOCKCHAIN INC - CHANG COMES TO RIOT FROM CANTOR FITZGERALD, WHERE HE SERVED AS MANAGING DIRECTOR AND HEAD OF METALS & MINING
* RIOT BLOCKCHAIN - CHANG'S APPOINTMENT COINCIDES WITH PREVIOUSLY PLANNED DEPARTURE OF JEFFREY MCGONEGAL, WHO HAS SERVED AS CFO
* RIOT BLOCKCHAIN INC - UNIT ENTERED INTO A LEASE WITH A FACILITY IN U.S. THAT WILL POTENTIALLY ALLOW FOR POWER CAPACITY OF UP TO 12 MEGAWATTS
* RIOT BLOCKCHAIN INC - MCGONEGAL SHALL SERVE SOLELY AS CO'S PRINCIPAL ACCOUNTING OFFICER THROUGH APRIL 30, 2018