Bitcoin startup Chain ropes in $30 mln

San Francisco-based Chain, a provider of blockchain services for bitcoin networks to trade and transfer financial assets and smart contracts, announced it has raised a $30 million Series B round of funding. Investors include Visa, Nasdaq, Citi Ventures, Capital One, Fiserv and Orange. The company has now raised about $44 million in total funding. In addition, former American Express CEO and RRE Ventures founder Jim Robinson III has joined the company board.

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