Easy-level Cosmos SDK interview questions covering chain code, SDK basics, and Ignite CLI. Q1: What is Cosmos SDK and how does it work? Answer: Cosmos SDK is a framework for building blockchain applications in Go. It provides modular components that developers can combine to create custom blockchains. Key Components: …

Hard-level Cosmos SDK interview questions covering advanced SDK internals, performance optimization, and complex module design. Q1: How do you implement a custom ABCI application with advanced state management? Answer: Custom BaseApp: 1package app 2 3import ( 4 "github.com/cosmos/cosmos-sdk/baseapp" 5 …

Medium-level Cosmos SDK interview questions covering advanced module development, SDK internals, and Ignite customization. Q1: How do you implement custom state transitions and state machines in a module? Answer: State Machine Pattern: 1package keeper 2 3import ( 4 sdk "github.com/cosmos/cosmos-sdk/types" 5) 6 …