Using propriety data and business logic with blockchain So before diving into Dragonchain I want to make a few key points. A public blockchain needs the history of every transaction to be able to prove that you own an asset. A public blockchain does not need to explain you’re making the transaction. why Proprietary data and business logic should only be on a private blockchain. A communication bridge enables a private blockchain to transfer public blockchain assets. Cool, so with that said, let’s look at Dragonchain. So what — why is Dragonchain interesting? Smart contracts have the potential for operational efficiencies. Dragonchain makes it easy for developers to use smart contracts with familiar technologies. Dragonchain has five levels of nodes. It took me a few read throughs to get it. I promise it’s not as complex as it sounds at first. Lets say that Pet Co has determined that they should buy more dog treats from one of their vendors Bones R Us. Transaction Approval — L1 Is where the proprietary logic and data determine that Pet Co needs to buy dog toys from Bones R Us. Transaction Validation — L2 Validates that the transaction is valid for the L1 node based on the organization rules, e.g. Supply Chain team isn’t executing a contract to hire an engineer. Supply Chain team is approving a purchase order from an approved vendor Transaction Verification — L3 Checks that a diverse range of L2 nodes across the network validated the transaction. E.g. three signatures are required for a purchase order requiring someone from Finance, Legal and Logistics to sign off preventing three Engineers from completing the sign off Verification Observation — L4 Is an independent witnesses to the L3 node verifying the diversity requirements. Transaction Execution — L5 Is a bridge to a public blockchain to transferred ownership of resources. It can be even simpler if you trust all the actors in your private blockchain, then you only need L1 and L5. Who cares? This framework has application in healthcare, government, logistics and energy. Smart contracts may need the use of This makes them unsuitable for a public blockchain. Enter the private blockchain. proprietary business logic and private data. So how does this work? Surely all the data needs to be public if you want to move assets around on a public blockchain right? The answer is no. A public blockchain just needs to be able to prove that you own an asset, it doesn’t need to be able to explain why you changed the ownership. Yes, this could be done with a centralized system. But the problem is who designs and controls the centralized system? In our example is it Pet Co, Bones R Us, the delivery company? Let’s say it’s Bones R Us that has this awesome system, with an app for solving supply chain management problems. Does that mean that the delivery company has to have an app for every customer? This creates a problems if Pet Co has a unique business process that they need incorporated into the app. Pet Co is a massive customer for Bones R Us. Should Bones R Us create a specific app for Pet Co, or make the other customers use Pet Co’s process, or ….? A By having a common ledger, each company can build its own system customized to its processes. private blockchain solves these issues. Smart contracts also simplify auditing and allow for codifying business processes. Why Dragonchain? Tech Team From Github and LinkedIn it appears that the four main contributors will work on the project full time. Tech Teams Experience So where do Dragons come into it? They are a temporary license to access things. E.g. Buying a license for a smart contract that was written by a third party. Paying another node to keep a record of the business data. To launch nodes. Provision a smart contract. How do I get Dragons? Individuals or organization can receive Dragons by running public or private nodes. How much? The ICO has a hard cap for token supply but not funds raised. As a result the the token price will be set at the conclusion of the ICO. Token supply capped at Dragons. 433,494,437 Similar Projects There are several other quality projects working on the same problem. Aion Cosmos Wanchain Ark Polkadot Want more? Watch out for ICO scams How to scam $102,860 USD worth of Ethereum in 24 hrs with Slack

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Dragonchain ICO — Disney’s hybrid public / private blockchain platform

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Ben Longstaff

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Dragonchain ICO — Disney’s hybrid public / private blockchain platform

Too Long; Didn't Read

Ben Longstaff

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