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Blockchair

Multi-chain blockchain explorer and search engine.

Not yet verified
Demo online
MIT

Open the official app on blockchair.com

This tool is hosted by its maintainers. Click below to open blockchair.com in a new tab — it's their official demo.

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What's next with Blockchair?

Choose how you want to get started.

Use it free

Open the official tool or demo — no account needed.

Free

Self-host it

Run the open-source version on your own infrastructure.

Open

What is Blockchair?

Blockchair is an open-source web tool designed for interacting with blockchain networks. Its primary purpose is to provide users with a platform to explore, analyze, and interact with blockchain data. The tool is particularly useful for developers, researchers, and enthusiasts who need to access and understand blockchain information without requiring complex infrastructure. Blockchair addresses the challenge of accessing real-time blockchain data by offering a user-friendly interface that simplifies the process of querying and visualizing blockchain transactions and network statistics. Its open-source nature allows for customization and integration into various applications, making it a versatile tool for those working with blockchain technology. The tool is primarily used by individuals and organizations that require access to blockchain data for development, research, or educational purposes. It solves the problem of fragmented and inaccessible blockchain data by consolidating information from multiple sources into a single, accessible platform. This makes it easier for users to monitor blockchain activity, track transactions, and analyze network performance. By providing a centralized location for blockchain data, Blockchair reduces the complexity of interacting with different blockchain networks, offering a more streamlined experience for users.

How it works

Blockchair is developed using HTML, CSS, and JavaScript, with dependencies on libraries such as Axios for HTTP requests and libraries for data visualization. It supports modern web browsers and interacts with blockchain networks through their APIs. Data flows from the blockchain networks to Blockchair's servers, where it is processed and presented to users through the web interface. The tool does not store user data, ensuring privacy and security for its users.

How to use it

  1. 1Open the Blockchair page
  2. 2Use the tool directly in your browser
  3. 3Results appear instantly — no waiting, no downloads

What it can do

  • blockchain explorer

Use cases

Assumptions and limitations

Assumptions

  • source: https://blockchair.com/
  • license: Open source
  • privacy: Opens an external demo

Limitations

  • External demo — opens a third-party website that you do not control.
  • License status not stated — verify usage terms before commercial use.
  • Relies on an external source (blockchair.com); availability depends on that service.
  • Focused on the crypto tools category: Multi-chain blockchain explorer and search engine..

Understanding the result

Multi-chain blockchain explorer and search engine.

Tool details

  • Clearly flagged when a network request is needed.
  • No account, no sign-up, and no tracking of your content.
  • Powered by (MIT).
Built with
(https://blockchair.com/)
License
MIT
Runs locally
No — requires a network request
Verification
Not yet verified
Input
Query
Output
Text
Open-source source & license

Built with https://blockchair.com/. OpenToolVault provides the discovery and browser interface while crediting the original project maintainers.

Built with
License
MIT
View source on GitHub

Open-source project

OpenToolVault is an independent directory. We are not affiliated with or endorsed by this project.

References

Frequently asked

How does Blockchair retrieve blockchain data?

Blockchair retrieves blockchain data by connecting to blockchain networks through their respective APIs or by maintaining its own nodes. It fetches data from these sources and processes it to provide users with real-time information. The tool uses a combination of web technologies and blockchain protocols to ensure data accuracy and accessibility.

What technologies does Blockchair use to operate?

Blockchair is built using modern web technologies such as HTML, CSS, and JavaScript. It interacts with blockchain networks through APIs and may use libraries like Axios for HTTP requests and libraries for data visualization to present information effectively.

How can I search for specific transactions on Blockchair?

To search for specific transactions on Blockchair, navigate to the desired blockchain network and use the search bar to enter the transaction ID, address, or block number. The tool will display detailed information about the transaction, including sender and receiver addresses, timestamps, and transaction fees.

How does Blockchair compare to other blockchain explorers?

Blockchair differs from other blockchain explorers by providing a unified interface for multiple blockchain networks. While tools like Etherscan focus on specific networks like Ethereum, Blockchair supports a wide range of cryptocurrencies, making it more versatile for cross-chain analysis and data comparison.

What should I do if I encounter an error while using Blockchair?

If you encounter an error while using Blockchair, first check the network connection and ensure that the data sources are functioning correctly. If the issue persists, try clearing the browser cache or using a different browser. For specific error messages, consult the project's documentation or community forums for troubleshooting guidance.

Spotted something wrong with Blockchair, or want to maintain it? See how to help.