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XTXeer Technologyinxeertechnology.hashnode.dev·Feb 5 · 3 min read

Cosmos Blockchain: A Complete Guide for Beginners & Businesses

Introduction Cosmos is a blockchain ecosystem designed to solve one of the biggest problems in the crypto world—blockchains not being able to talk to each other. Often called the “Internet of Blockchains,” Cosmos allows different blockchains to conne...

GRGanesh Rama Hegdeinandroidavatar.hashnode.dev·Oct 30, 2025 · 3 min read

Chapter 8 - Testing and Validating the GetArtUseCase (Domain layer)

Now we shift our attention to testing the domain and the data layers for the GetArtUseCase. Step 1 : Testing the Domain Layer We want to verify that GetArtUseCase correctly transmits data from the repository. We only test the use case, not the databa...

SKSourav Kumarinblog.souravk.cloud·Jul 17, 2022 · 4 min read

OSI Model

Introduction to the OSI Model The OSI Model (Open Systems Interconnection Model) is a framework used to describe the functions of a networking system. The OSI model characterizes computing functions into a universal set of rules and requirements to s...