While blockchain is among the hottest technologies in the enterprise security, data storage and file-sharing arenas, many experts question its use or even whether it's really as secure as billed. As marketplaces struggle with how best to deploy the distributed ledger technology, IT vendors are beginning to test it in their products -- in some cases, as a reaction to customer inquiries rather than a proactive move. "It's a very hot topic right now," said Zulfikar Ramzan, CTO of RSA Security, a subsidiary ...

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