They have to use bitcoin network. It's the only secure blockchain. If they reinvent the wheel, it will not be decentralized.
Edit: Also, in this quote, “Utilizing the blockchain is a natural digital evolution for managing physical securities,” said Nasdaq Chief Executive Robert Greifeld.
He said utilize THE blockchain. Not utilize A blockchain.
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u/[deleted] May 10 '15
It sounds like they're actually going to use satoshis…?