General

A brief introduction to Event Logs on {{chain}}.

Etherscan is the leading BlockExplorer (search engine) for the Ethereum Blockchain that allows users to easily lookup, confirm and validate transactions.

Apescan is the leading BlockExplorer (search engine) for Ape that allows users to easily lookup, confirm and validate transactions.

XDCScan is the leading BlockExplorer (search engine) for XDC that allows users to easily lookup, confirm and validate transactions.

To improve the readability of the block explorer, Team Etherscan uses heuristics to match unverified smart contracts and method IDs with verified contracts on {{explorer}}.

opBNB Explorer is the leading BlockExplorer (search engine) for opBNB Mainnet that allows users to easily lookup, confirm and validate transactions.

Team Etherscan uses heuristics to mask certain tokens with unknown reputation as a pre-emptive measure to help prevent scams. To unmask these tokens, please update the token information.

This guide will help you navigate through the exciting universe of Solana's decentralized finance, whether you are a novice user of seasoned invester.

This series aims to provide a detailed explanation of Solana Transactions, starting with the basics of "Programs" concept to help users become familiar with the platform and overcome the challenges of high throughput and fast finality.

This series aims to provide a detailed explanation of Solana Transactions, starting with the basics of "Accounts" concept to help users become familiar with the platform and overcome the challenges of high throughput and fast finality.

KromaScan is the leading BlockExplorer (search engine) for Kroma that allows users to easily lookup, confirm and validate transactions.

Blastscan is the leading BlockExplorer (search engine) for Blast that allows users to easily lookup, confirm and validate transactions.

Xaiscan is the leading BlockExplorer (search engine) for Xai that allows users to easily lookup, confirm and validate transactions.

Solscan is a leading block explorer for the Solana blockchain.

Taikoscan is the leading BlockExplorer (search engine) for Taiko that allows users to easily lookup, confirm and validate transactions.

FraxScan is the leading BlockExplorer (search engine) for Frax that allows users to easily lookup, confirm and validate transactions.

CronoScan is the leading BlockExplorer (search engine) for Cronos that allows users to easily lookup, confirm and validate transactions.

Wemix Scan is the leading BlockExplorer (search engine) for Wemix that allows users to easily lookup, confirm and validate transactions.

Scrollscan is the leading BlockExplorer (search engine) for Scroll that allows users to easily lookup, confirm and validate transactions.

LineaScan is the leading BlockExplorer (search engine) for Linea that allows users to easily lookup, confirm and validate transactions.

BTTCScan is the leading BlockExplorer (search engine) for BitTorrent Chain that allows users to easily lookup, confirm and validate transactions.

Etherscan Cards is a new feature that allows credible third parties in the ecosystem to share useful information on and add interactions for addresses directly on the explorer.

Blobs are dedicated data storage spaces specified in EIP-4844, activated as part of the Dencun upgrade.

If you encounter issues while attempting to verify a contract, you can reach out to our support team via general inquiry or priority support.

A quick intro to Fee Recipient on Ethereum.

Gnosisscan is the leading BlockExplorer (search engine) for Gnosis that allows users to easily lookup, confirm and validate transactions.

Celoscan is the leading BlockExplorer (search engine) for Celo that allows users to easily lookup, confirm and validate transactions.

Arbiscan is the leading BlockExplorer (search engine) for Arbitrum that allows users to easily lookup, confirm and validate transactions.

BaseScan is the leading BlockExplorer (search engine) for Base that allows users to easily lookup, confirm and validate transactions.

Optimistic Etherscan is the leading BlockExplorer (search engine) for Optimism that allows users to easily lookup, confirm and validate transactions.

SnowScan is the leading BlockExplorer (search engine) for Avalanche that allows users to easily lookup, confirm and validate transactions.

A brief explanation of what address poisoning attacks are and what users can do to mitigate the risks of falling victim to these attacks.

A brief explanation on Text Records in ENS.

zkSync Era Explorer is the leading BlockExplorer (search engine) for zkSync Era that allows users to easily lookup, confirm and validate transactions.

A brief overview of what Inscriptions are.

Moonscan is the leading BlockExplorer (search engine) for Moonbeam Chain that allows users to easily lookup, confirm and validate transactions.

FTMScan is the leading BlockExplorer (search engine) for Fantom Chain that allows users to easily lookup, confirm and validate transactions.

Polygonscan is the leading BlockExplorer (search engine) for both the Polygon PoS and Polygon zkEVM chain that allows users to easily lookup, confirm and validate transactions.

BscScan is the leading BlockExplorer (search engine) for BNB Smart Chain that allows users to easily lookup, confirm and validate transactions.

User preparations and reasons for the discontinuation of a block explorer service by Etherscan.

An introduction to proxy contracts on {{chain}}.

Other than the popular BEP-20 and BEP-721 tokens, there is a third token standard that is widely used in BNB Smart Chain.

Unlike BEP-20, BEP-721 tokens are non-fungible; meaning that each and every BEP-721 token has it's own unique value and is to be treated individually.

There are two types of address on {{chain}}: Externally Owned Address (EOAs) and Contract Address.

BEP-20 tokens are tokens that follow a set of standards defined for smart contracts on the BNB Smart Chain.

This article explains Domain Names and how {{explorer}} supports them.

Featured Listing is a feature specifically designed to enhance the visibility of certain tokens on {{chain}}.

This article explains Domain Names and how Etherscan supports them.

A brief explanation on zero-value token transfer attack

Discover how some tokens may have inconsistencies between displayed and actual token counts due to non-standard _totalSupply functions or burn addresses such as the Null Address.

This article provides a concise overview of tuples in Solidity contracts and their relevance to Etherscan.

An article that explains what is MEV and how it works.

An introduction to blockchain hard fork and soft fork.

A brief explanation on Truffle Suite and its components.

A brief explanation on liquid staking.

A brief explanation on how blockchain bridges play a role in enhancing interoperability and scalability.

A general explanation on Directed Acyclic Graph in comparison to the traditional blockchain structures

A brief information to illustrate how Data Availability Sampling works and how it helps in blockchain scaling issue.

A brief information on how re-entrancy attack happened that leads to Ethereum hard fork

A brief explanation on Fallback Function

A simple explanation behind erasure coding

A brief explanation on Epoch

A brief explanation on DAO

Understanding what lies under Stablecoin

An overview on decentralized applications and why should we use or not use them

A brief explanation on DeFi Liquidation.

Exploring the possibilities of decentralized finance by its definition and what can be considered DeFi.

A brief explanation on Flash Loan with infographic.

The Check Previous Balance tool can be used to find how much token balance an address has at a specific time or block.

EthValidate is a feature to validate any transactions, addresses' balances, and token balances on the Etherscan’s node with other nodes.

Our Verified Signatures Tool just got revamped! Let's see what are the changes and additions.

A block is a core concept that can be thought of as a page in a ledger. A block contains transaction data and the hash of the previous block that ensures immutability and security in the blockchain network.

A block is a core concept that can be thought of as a page in a ledger. A block contains transaction data and the hash of the previous block that ensures immutability and security in the blockchain network.

ENS turns the complicated addresses in Ethereum into human-readable domain names.

A look at our Token Approvals feature with which users can review and revoke approvals given to contracts to spend their money on their behalf.

An article explaining the types of transactions in the Ethereum blockchain, where to look for them on Etherscan and the life cycle of a transaction.

The Ignore list feature will essentially allow a user to hide a token and exclude the token’s value from the calculation of the total token holdings’ value on Etherscan.

A quick guide on how to import your wallet address to another wallet service platform.

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Private Name Tags on Etherscan allows users to tag any addresses and these addresses will appears as your tagged name instead of the full address hash on Etherscan.