This article (for CIOs, developers, analysts and IT architects) explains the value proposition and high-level features of Fabric Composer. Fabric Composer (Composer) is an Open Source tool to define, deploy and integrate with business networks. Fabric Composer makes it easy for technical analysts and developers to create business networks that use a distributed-ledger to exchange information. The… Continue reading Introduction to Fabric Composer
via Smart Contracts. Not Smart. Not Contracts. If you take an interest in blockchain technology you have likely heard of “Smart Contracts”. Let us dig a little deeper… Wikipedia has a nice page that defines Smart Contract as: Smart contracts are computer protocols that facilitate, verify, or enforce the negotiation or performance of a contract, or that make… Continue reading Smart Contracts. Not Smart. Not Contracts.
Hợp đồng thông minh (Smart Contract) là một thiết kế cách mạng, cho phép triển khai mọi giao dịch mà không cần bên thứ ba xác nhận. Thiết kế này là một ứng dụng rất hữu ích trên nền tảng Blockchain. Tuy nhiên, nó sẽ hoàn hảo hơn nếu không bị vướng mắc phải các vấn… Continue reading LỖ HỔNG AN NINH TRONG ỨNG DỤNG HỢP ĐỒNG THÔNG MINH
Source: http://qnimate.com/writing-upgradable-smart-contracts-in-ethereum/ As you must be aware that smart contracts are immutable programs that run exactly as programmed without any third party interface. Smart contracts cannot be modified once they are deployed which is actually a feature of smart contracts but in some blockchain use-cases it may be needed to change the smart contracts interfaces and/or… Continue reading Writing Upgradable Smart Contracts in Solidity
Source: https://blog.zeppelin.solutions/designing-the-architecture-for-your-ethereum-application-9cec086f8317 As you are beginning with Ethereum development, and after going through some of the many excellent tutorial posts out there, you are faced with the challenge of building your first Ethereum-based app. This brings up a set of new challenges around designing the architecture and layout of your application: traditional client-server applications now have a third new… Continue reading Designing the architecture for your Ethereum application
Manifesting Storage, Computation, and Communications How are Ethereum, IPFS/Filecoin, and BigchainDB complementary? What about Golem, Polkadot, or Interledger? I often get questions like this. So, I decided to write about how I answer those questions, via a first-principles framing. The quick answer: there’s no one magic system called “blockchain” that magically does everything. Rather, there… Continue reading Blockchain Infrastructure Landscape: A First Principles Framing