Block Explorer

by Otterscan

An open-source tool to create a custom EVM block explorer self-hosted on your hardware

Supported Chains

EVM Chains

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Quick Fact

You can use Otterscan block explorer from QuickNode Marketplace where the block explorer is powered by your QuickNode endpoint.

Otterscan is an open-source, fast, and local Ethereum block explorer designed to be run on personal hardware. It is built on the Erigon archive node, making it highly efficient and suitable for local environments.

Local and Performant

Otterscan is designed to run locally alongside an Erigon node, eliminating the need for additional middleware, queues, or databases. This local operation enhances privacy and performance by processing queries internally without involving external servers. By leveraging Erigon's performance, Otterscan offers a blazingly fast user experience through custom JSON-RPC methods at the RPC daemon level, significantly reducing the data transmission and processing required.

User-Friendly Interface

Otterscan's interface is designed to be familiar to users of popular block explorers, with enhancements to improve usability. It provides a straightforward and intuitive navigation experience, making it easy for users to find and analyze blockchain data.

Open Source and Extensible

As an open-source project, Otterscan allows developers to contribute to its development, customize features, and add new functionalities. This openness ensures continuous improvement and adaptability to various use cases.

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