Block Explorer

Block Explorer is a search engine for all data recorded on a distributed ledger. It is a tool used to view all the information associated with , addresses, and past and current transactions on a [6], and provides detailed analytics about a  since its genesis.[1]


Block explorers are usually tied to a particular blockchain network. As each blockchain uses a different coding infrastructure, this can affect the functionality of any given explorer. For instance, a block explorer only tracks data from transactions, while most explorers provide network information on the thousands of Ethereum-minted tokens, such as , , , and [2] The information that a block explorer contains may also vary depending on the architecture of the it serves. For instance, a block explorer for a blockchain displays data about miners, whereas a block explorer for a Delegated Proof-of-Stake (DPoS) blockchain displays information about block producers and elections.[7]

The first blockchain explorer, which was meant for the , emerged in November 2010 at almost the same time as was coming online. It was made available first at The first explorer for Bitcoin was the Bitcoin equivalent of The explorer provided data about Bitcoin and afterward, was moved to where the real stats page for the blockchain was posted.[9]


View a transaction

Block explorers are commonly used to view transaction history. Every transfer from one to another will be recorded on a compatible block explorer. This can be particularly useful for pending transactions and unconfirmed transactions, as investors can search the status of all the transactions made and ensure no crypto has gone missing.

View a block

Most gets activated through of data being validated and stored. Investors can view the recently mined blocks on a Block Explorer. For instance, researchers can trace a blockchain’s history back to its genesis block, i.e., the first group of transactions confirmed on a network.

View fees

Making transactions on a network incurs a fee. For instance, and have hefty costs associated with using their . These gas fees constantly fluctuate, so investors can view the live rates for (Gigawei, aka, nanoEther, aka, nano) and fees on a block explorer. 

Address Search

Block explorers enable users to search for specific addresses. They can view the balance, transaction history, and other details associated with a particular address.

Token and Asset Information

Block explorers often support the tracking of various and assets issued on the blockchain. Users can view details about these tokens, including supply, holders, and transfers.

Smart Contract Interaction

For blockchains that support smart contracts, users can explore addresses, view contract code, and inspect interactions with the contract, including function calls and events.

Real-time Statistics

Block explorers provide real-time statistics about the blockchain network, including the current block height, network hashrate, transaction count, and more. This information is useful for monitoring network health and performance.

Address Labels and Tags

Some block explorers allow users to add labels or tags to addresses, making it easier to identify specific addresses and their purposes.

Rich List

Block explorers often provide a list of the top wallet addresses by balance. This can help users identify the largest holders of a particular cryptocurrency.

Network Insights

Block explorers offers additional insights and analytics, such as transaction fee trends, mempool data, and historical data charts, to help users understand network behavior.

API Access

Many block explorers offer APIs (Application Programming Interfaces) that developers can use to programmatically retrieve blockchain data for their applications.

Explorer for Multiple Blockchains

Some block explorers support multiple blockchain networks, allowing users to explore and compare different blockchains in one interface.
A block explorer not only provides transaction data but can also show the blockchain’s overall health. All the block explorers might not have the same functions, but, few explorers also show data about mining pools, block validators, orphan blocks, and . [8]


A blockchain explorer is a piece of software that uses API and blockchain nodes to draw various data from a and then uses a database to arrange the searched data and to present the data to the user in a searchable format.
First, the explorer uses its API- (Application Programming Interface), SQL (Structured Query Language), and a relational database to scrape a blockchain node and receive information. Once the data is organized, it is presented in a simple-to-navigate user interface hosted on a web server. The relational database and SQL analyze searches on the block explorer’s back-end. Finally, the results are sent through an API to ensure users can consume the HTML webpage on a browser like Google Chrome. [5]

Common Block Explorers

Since the development of the first blockchain explorer tool, was run by BitcoinTalk Forum's pseudonymous owner, Theymos. It was launched in early 2010 and allowed users to navigate the Bitcoin blockchain, view block and transaction data, and much more. Since then, more explorers have been developed.

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Block Explorer

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December 14, 2023


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