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Blogchain

A blog about Blockchain technology

Electronic Signature with Blockchain

With blockchain, you can imagine a world in which documents are embedded in digital code and stored in transparent, shared databases, where they are protected from deletion, tampering, and revision. In this world every agreement, every process, every task, and every payment would have a digital reco…

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Blockchain Integration Patterns – Outbound

Smart contracts operate on data contained within a blockchain, but there may be situations when events generated within a blockchain, like a payment or a change of state of a smart contract, require some activities to happen in the outside world, off-chain. Azure Blockchain Workbench facilitates int…

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Blockchain Integration Patterns – Inbound

The introduction of smart contracts in blockchain networks has created that business logic tier that was missing in the first evolution of blockchain. Smart contracts offer the possibility to apply conditional logic to transactions before they are executed. Still, smart contracts can operate on data…

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Azure Blockchain Development Kit released to GitHub

Microsoft released the Azure Blockchain Development Kit as open source on GitHub. The blockchain development kit addresses numerous blockchain scenarios and requirements. To deliver end to end blockchain solutions for consortiums, developers need to enable organizations, people, and devices to conne…

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Distributed Transactions on Blockchain

In my previous article about Event Sourcing and CQRS in Blockchain Transactions (blogchain.space/entries/blockchain/event-sourcing-and-cqrs-in-blockchain-transactions) we have learned that a shared data model is not the only use case that can introduce tight coupling between smart contracts. Another…

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Event Sourcing and CQRS in Blockchain Transactions

Microservices and blockchain smart contracts have a lot in common. They’re both expected to run in isolation (on-chain) and communicate with the outside (off-chain) via a message-based channel. They should both be small in size, developed to run autonomously and independently, and perform better whe…

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Blockchain on MSDN Magazine

The year 2018 has seen a lot of attention on blockchain technologies. As a Microsoft RD (Regional Director) and MVP (Most Valuable Professional), I have covered many times how Microsoft is playing a leader role in adoption of blockchain technology in the enterprise space: http://blogchain.space/entr…

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Digital Innovation in the Blockchain Age

Contracts, transactions, and the records of them are among the defining structures in our economic, legal, and political systems. They protect assets and set organizational boundaries. They establish and verify identities and chronicle events. They govern interactions among nations, organizations, c…

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Ethereum Proof-of-Authority on Azure

Unveiled on August 7th, Microsoft announced the availability of Ethereum in Azure, running a Proof-of-Authority consensus algorithm. This new service purportedly enables consumers and enterprises to build and deploy decentralized apps (dApps) in private and consortium networks. Instead of utilizing …

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Azure Blockchain Workbench v1.2 Released

On July 13th, Microsoft has made available the next version of Azure Blockchain Workbench, version 1.2.
 
Below are the details of the release notes.
 
We’re excited to see a ton of engagement and positive feedback on Azure Blockchain Workbench since our initial public preview releas…

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