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> Not mentioned often however is why corporations also are loving the idea of private blockchains (IBM Hyperledger, R3, etc). Private blockchains involve trusting only a couple participants to join the network. A set of banks can define a mutual settlement protocol in a standard smart contract for example - in using a blockchain, they mitigate the risk of other banks affecting their system.

Yes, this is what really interests me. I'm trying to understand why companies like IBM and FB want to develop their own blockchains, but I'm struggling to get it.

Do you think you could give me some more details about how this would work? Do you have a real world example of how banks could use a private blockchain?

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