How the blockchain is changing money and business | Don Tapscott (@dtapscott) TED Talks (@TEDTalks)

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How the blockchain is changing money and business | Don Tapscott (@dtapscott) TED Talks (@TEDTalks)
BlockChain
How the blockchain is changing money and business | Don Tapscott (@dtapscott) TED Talks (@TEDTalks)

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