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Christopher Marks

Private blockchains have the potential to reduce transaction costs for trading syndicated loans amongst other financial assets.

"In its most straightforward form, you could build a blockchain that is decentralized (among the participants) in sort of the same way that bitcoin is. Each participant could run the software simultaneously and keep separate copies of the transaction records, much the way that brokers currently keep their own accounts of what shares they own at DTC, but the "official" copy would be the one that participants agree on, rather than a centralized copy kept at one official arbiter like DTC. This has some advantages over the centralized database (what if DTC's computers crash?), and some disadvantages (uses more electricity), but it is not ultimately wildly conceptually different."

Blockchains for Banks Probably Can't Hurt | Bloomberg View