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Berachain is 100% EVM-compatible, operating on a lightly modified Reth. We keep pace with Ethereum improvements, shipping Protocol Upgrades every 6 months. The execution layer consists of an EVM execution client. This client handles transactions, transaction gossiping, state management, and support for the Ethereum Virtual Machine — it is not responsible for block building. Recommended Beacon Kit and Bera-Reth versions depend on the network:
NetworkBeacon KitBera-Reth
Mainnetv1.3.9v1.3.3
Bepoliav1.4.0-rc3v1.4.0-rc2
As of 1.4.0, Bera-Reth includes the genesis file, which can be used with the option --chain (bepolia|mainnet) instead of --chain <path>.
You can continue to specify the genesis file path, but be sure to verify its hash:
Genesis FileUpdatedDownload link & md5 hash
MainnetNov 7, 20256b333924b81a1935e51ac70e7d9d7cb0
BepoliaMay 13, 2026dfa4cb7a11217c9eab6cf4b405368870
Installing a more recent patch version — the z in a version number x.y.z — is generally safe.