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Could Bitcoin blockchain technology be moving into mainstream banking, making money transfers faster and more secure? Gareth Mitchell speaks to David Rutter, CEO of R3, a financial innovation company that will be working with nine major banks to develop blockchain technology for tracking real life financial transactions. The technology works by making a chain of all transactions and sending this updated chain to everyone who has ever made a transaction. But will this method lead to faster more secure and cheaper transactions? (Image caption: Bitcoins © Karen Bleier/AFP/Getty Images)
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