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Cosmos-EVM is the easiest way to build your own EVM compatible L1 blockchain using the Cosmos SDK. This guide walks through the process of creating and running a network by simply modifying the “template” blockchain application bubdled with the module repo.

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Why Cosmos-EVM?

In addition to being a standalone module, the Cosmos/EVM project repository includes evmd, a complete working blockchain pre-wired with the EVM module and a few supporting modules. Using this as a starting point for your project eliminates the complexity of assembling and integrating components from scratch, allowing engineers to focus on building on your chain rather than debugging basic setup issues.

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Understanding the Stack

Before diving into configuration, it’s helpful to understand what you’re building with:
  • Cosmos SDK Modules - Core blockchain functionality including staking, governance, and token management
  • Precompiles - Smart contract interfaces that bridge EVM and Cosmos SDK capabilities

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Advanced Configuration

For specialized customization beyond the core configuration: