What is a Blockchain Explorer and How Does it Work?

by Oct 18, 2023Blockchain Technology0 comments

A blockchain is a transparent record of all transactions made. Every time a person transfers a cryptocurrency like Bitcoin from one digital wallet to another, the blockchain records the transaction details. However, how can people access the transaction information? The easiest method is to utilize a tool named a block explorer.

What Is A Blockchain Explorer?

A blockchain explorer is a web-based tool or application that allows users to explore and analyze the contents of a blockchain. A blockchain is a digital ledger that records transactions in a decentralized, secure, and immutable manner. Every block in the blockchain contains a unique hash code that links it to the previous block in the chain, creating a permanent and transparent record of all the transactions that have occurred on the network.

What Is A Blockchain Explorer?

A blockchain explorer enables users to view and search the contents of a blockchain, including the transaction history, block information, wallet balances, and network statistics. This information can be useful for verifying transactions, tracking the movement of funds, and monitoring the health of the network.

Users can access a blockchain explorer through a web browser, and many popular blockchains have their own official explorer. Some of the most widely used blockchain explorers include Etherscan for the Ethereum network, Blockchain.info for the Bitcoin network, and BscScan for the Binance Smart Chain network.

How Does Blockchain Explorer Work?

Blockchain explorers are online tools that allow users to browse and view the contents of a blockchain. They are designed to provide a graphical user interface for interacting with the blockchain, displaying transaction history, network statistics, and other information about the blockchain.

The basic functioning of blockchain explorers can be summarized in the following steps:

  • Connection to the Blockchain: Blockchain explorers connect to the nodes of a blockchain network, which is a distributed network of computers that store a copy of the blockchain.
  • Data Retrieval: The explorer retrieves data from the blockchain by using public keys, hashes, and other unique identifiers that are associated with specific transactions or blocks on the blockchain.
  • Data Processing: The explorer parses the raw data from the blockchain and organizes it into a user-friendly format that can be easily understood and navigated by users.
  • Data Display: The explorer displays the processed data on a user interface, typically a web page, allowing users to search and browse the blockchain and view detailed information about transactions and blocks.
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Some advanced features of blockchain explorers include:

  • Real-time updates: Blockchain explorers can display real-time updates about new transactions and blocks as they are added to the blockchain network.
  • Analytics: Some explorers provide analytics tools that allow users to analyze and visualize data about the blockchain network, such as transaction volume, network activity, and other statistics.
  • Advanced search options: Blockchain explorers typically provide advanced search options that allow users to filter and search for specific transactions or blocks based on various criteria, such as date, sender/receiver, transaction size, and more.

Overall, blockchain explorers are essential tools for developers, traders, investors, and anyone else who wants to understand and interact with the blockchain network.

Types of Blockchain Explorers

There are several types of blockchain explorers, each designed to meet specific needs and requirements. Here are some of the most common types of blockchain explorers:

Blockchain Explorers
  1. Public blockchain explorers: These explorers allow users to browse and view transactions and blocks on public blockchains like Bitcoin, Ethereum, and Litecoin. They are open to anyone and do not require any authentication to access.
  2. Private blockchain explorers: These explorers are designed for use with private blockchains that are not open to the public. They require authentication and permission to access, as they are only accessible to authorized users.
  3. Multi-currency blockchain explorers: These explorers support multiple cryptocurrencies and blockchains, allowing users to view transaction history and statistics across multiple networks.
  4. Mobile blockchain explorers: These explorers are designed specifically for use on mobile devices like smartphones and tablets, providing a mobile-friendly interface for browsing and viewing blockchain data.
  5. Analytics-focused blockchain explorers: These explorers provide advanced analytics tools for analyzing and visualizing data about the blockchain network, including transaction volume, network activity, and other statistics.
  6. Developer-focused blockchain explorers: These explorers are designed for developers and provide APIs and other tools for interacting with the blockchain network programmatically.

Overall, the type of blockchain explorer you choose will depend on your specific needs and use case. Whether you’re a trader, investor, developer, or simply interested in exploring the blockchain network, there is a blockchain explorer that can help you accomplish your goals.

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Reasons You Should Use Block Explorers

Block explorers are powerful tools that allow you to view and interact with the blockchain. Here are some reasons why you should consider using block explorers:

  • Verify Transactions: Block explorers allow you to view all transactions on the blockchain, allowing you to verify the movement of funds between addresses.
  • Check Balances: You can use a block explorer to view the balance of any address on the blockchain, allowing you to track your own balances or check the balances of others.
  • Monitor Blockchain Activity: With a block explorer, you can see real-time updates of new transactions, blocks, and network activity, which can help you stay informed about the current state of the network.
  • Explore Blockchain Data: Block explorers provide access to a vast amount of data on the blockchain, including network statistics, transaction history, and more. This can be useful for conducting research or analysis on the blockchain.
  • Debugging: Block explorers can also be used for debugging and troubleshooting issues related to blockchain transactions. By viewing transaction details, you can identify any errors or issues that may have occurred during the transaction.
  • Searchability: Block explorers allow you to search for specific transactions or addresses, making it easy to find information about specific transactions or users on the blockchain.

Overall, block explorers are essential tools for anyone who wants to interact with the blockchain in a meaningful way. Whether you’re a developer, trader, researcher, or simply a curious enthusiast, block explorers provide a wealth of information and functionality that can help you navigate the complex world of blockchain technology.

How to Use a Block Explorer

Blockchain Explorers

Here are the general steps for using a block explorer:

  1. Choose a blockchain network: Block explorers are specific to a particular blockchain network. You need to choose the blockchain network you want to explore. For example, Bitcoin has its own block explorer, as does Ethereum.
  2. Find a reliable block explorer: There are several block explorers available, but it’s important to use a reliable one. Some of the popular block explorers include blockchain.info for Bitcoin, Etherscan for Ethereum, and Blockchain for multiple blockchain networks.
  3. Enter the transaction or block ID: To use the block explorer, you need to enter either the transaction ID or block ID. The transaction ID is a unique identifier for a particular transaction, while the block ID is a unique identifier for a particular block.
  4. View the transaction or block details: Once you enter the transaction or block ID, you can view the details associated with it. For a transaction, you can view the amount, sender and receiver addresses, transaction fees, and other details. For a block, you can view the transaction history, the number of transactions, the size of the block, and other details.
  5. Explore further: Most block explorers allow you to explore further by following links to related transactions or blocks. You can use this to explore the blockchain network further and gain more insight into the transactions and blocks.
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Block explorers can be a powerful tool for exploring the blockchain network, but it’s important to use them with caution. Always verify the information you find on the block explorer with multiple sources before taking any action.

Popular Crypto Blockchain Explorers

There are several popular blockchain explorers available for different cryptocurrencies. Here are some of the most commonly used blockchain explorers:

1. Bitcoin Block Explorer – https://www.blockchain.com/explorer

Bitcoin Block Explorer

2. Ethereum Block Explorer – https://etherscan.io/

Ethereum Block Explorer

3. Binance Smart Chain Explorer – https://bscscan.com/

Binance Smart Chain Explorer

4. Cardano Block Explorer – https://cardanoscan.io/

Cardano Block Explorer

5. Dogecoin Block Explorer – https://dogechain.info/

Dogecoin Block Explorer

6. Litecoin Block Explorer – https://chainz.cryptoid.info/ltc/

Litecoin Block Explorer

7. Polkadot Block Explorer – https://polkascan.io/

Polkadot Block Explorer

These explorers allow users to track and view transactions on the blockchain, check wallet balances, view block and transaction histories, and explore other data related to the specific cryptocurrency.


In conclusion, a blockchain explorer is a valuable tool that allows users to explore and analyze blockchain contents, providing access to transaction data, block details, wallet balances, and network statistics. It offers features like real-time updates, analytics tools, and advanced search options, making it essential for developers, traders, investors, and anyone interested in interacting with the blockchain network. Reliable blockchain explorers exist for popular cryptocurrencies, offering comprehensive insights into their respective networks.

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