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Ethermint is a scalable, high-throughput Proof-of-Stake blockchain that is fully compatible and interoperable with Ethereum. It's build using the the Cosmos SDK which runs on top of Tendermint Core consensus engine.

WARNING: Ethermint is under VERY ACTIVE DEVELOPMENT and should be treated as pre-alpha software. This means it is not meant to be run in production, its APIs are subject to change without warning and should not be relied upon, and it should not be used to hold any value. We will remove this warning when we have a release that is stable, secure, and properly tested.

Note: Requires Go 1.15+

Quick Start

To learn how the Ethermint works from a high-level perspective, go to the Introduction section from the documentation.

For more, please refer to the Ethermint Docs, which are also hosted on


Unit tests are invoked via:

make test

To run JSON-RPC tests, execute:

make test-rpc

There is also an included Ethereum mainnet exported blockchain file in importer/blockchain that includes blocks up to height 97638. To execute and test a full import of these blocks using the EVM module, execute:

make test-import

You may also provide a custom blockchain export file to test importing more blocks via the --blockchain flag. See TestImportBlocks for further documentation.


The following chat channels and forums are a great spot to ask questions about Ethermint:

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