Bitcoin's tech is entering the major leagues By: CNBC.com News May 29, 2015 at 13:11 PM EDT So who is interested in bitcoin's technology? Seagate, Nasdaq, Overstock, IBM, Samsung, UBS, Barclays, Banco Santander and Intel-to name a few. Read More >> Related Stocks: Banco Santander ADR Barclays Plc ADR Bitcoin (Bitstamp) Bitcoin Composite Intel Corp International Business Machines Nasdaq OMX Group Overstock Com Ord Shs Seagate Technology Plc