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IBM Unveils Blockchain As a Service Based On Open Source Hyperledger Fabric Technology (techcrunch.com)
IBM has unveiled its "Blockchain as a Service," which is based on the open source Hyperledger Fabric, version 1.0 from The Linux Foundation. "IBM Blockchain is a public cloud service that customers can use to build secure blockchain networks," TechCrunch reports, noting that it's "the first ready-for-primetime implementation built using that technology." From the report: Although the blockchain piece is based on the open source Hyperledger Fabric project of which IBM is a participating member, it has added a set of security services to make it more palatable for enterprise customers, while offering it as a cloud service helps simplify a complex set of technologies, making it more accessible than trying to do this alone in a private datacenter. The Hyperledger Fabric project was born around the end of 2015 to facilitate this, and includes other industry heavyweights such as State Street Bank, Accenture, Fujitsu, Intel and others as members. While the work these companies have done to safeguard blockchain networks, including setting up a network, inviting members and offering encrypted credentials, was done under the guise of building extra safe networks, IBM believes it can make them even safer by offering an additional set of security services inside the IBM cloud. While Jerry Cuomo, VP of blockchain technology at IBM, acknowledges that he can't guarantee that IBM's blockchain service is unbreachable, he says the company has taken some serious safeguards to protect it. This includes isolating the ledger from the general cloud computing environment, building a security container for the ledger to prevent unauthorized access, and offering tamper-responsive hardware, which can actually shut itself down if it detects someone trying to hack a ledger. What's more, IBM claims their blockchain product is built in a highly auditable way to track all of the activity that happens within a network, giving administrators an audit trail in the event something did go awry.
Once you spend even a few minutes trying to understand how financial and other industries operate (and want to operate in the future), you quickly realize that one size does not fit all. There are a few Blockchain use cases when it makes sense (if you can meet the scalability requirements) to have an open network, to distribute every transaction record (in whole form) to every node, and to have a "flat" consensus mechanism, with every node getting one equal vote. An awful lot of real world use cases don't fit that particular formula -- maybe most of them. Yet Blockchain, as a solution approach, still makes a great deal of sense if you can relax those artificial restrictions. That's exactly what the Hyperledger/Linux Foundation community has done. The Hyperledger 1.0 network can be permissioned, can avoid distributing every record (contents) to every node (but still maintains the chain itself), and offers pluggable consensus mechanisms. And you don't have to consume the equivalent of Holland's total electricity production, and climbing, to make it work -- far from it. That's flexible, and that's significant progress. It's also open source.