General

A brief introduction to Event Logs on Ethereum.

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

A block explorer is a search engine for the blockchain. It is a free, public tool that lets you look up transactions, wallet addresses, blocks, and smart contracts in real time. Learn how Etherscan brings transparency to Ethereum and beyond.

What “Funded by” means on Solscan Account page and how it identifies the first native SOL transfer that funded a wallet.

Proxy contracts are commonly used on Ethereum to enable upgradeability and reusable logic. While all proxies work by forwarding calls to another contract, there are several distinct proxy patterns in use today. This article goes through the most common proxy types you may encounter on Etherscan.

Solscan Transaction Inspector lets you test, simulate, and debug a Solana transaction before or after sending it.

This guide walks through common smart contract risks and practical checks you can use before confirming a transaction.

Solscan displays Program Verification status and Security.txt metadata to support open-source transparency on Solana.

Solscan Account Balance Checker provides precise historical token balances for any address on any date with fast, reliable lookup.

Explore Solana’s top block explorers and their key features (2026).

Solscan Token Analytics offers interactive charts to analyze a token’s on-chain activity, holder trends, and trading performance.

Explore wallet’s transfer activity with Solscan Account Analytics, featuring activity metrics, analytics charts, and a transfers heatmap.

Solscan Extra tags identify high-activity wallets on Solana based on analyzing their on-chain behavior, holdings, and trading patterns.

Solscan Cards enables trusted third parties share on-chain insights and add interactive features for addresses directly on the explorer.

Explore Solana accounts and tokens' transfers and Defi activities through interactive charts, with Solscan Analytics Visualization feature.

The Cross-Chain Transactions tab displays an address’s activity across multiple blockchains, making it easy to track assets moved between chains through supported bridges.

Ask Etherscan is an AI-powered assistant that explains transactions, addresses, and token holdings in an easy-to-read format.

Give your address page a unique, personalized touch by displaying a custom design, name and tagline.

Etherscan Points are our way of thanking the community for 10 amazing years. Redeem your points for premium features and special perks. This is just the beginning, with more rewards on the way!

Redemptions are final, non-transferable, and subject to Etherscan’s fair use policy. Rewards must be used within the validity period, with no cash alternatives, and Etherscan may modify or withdraw rewards anytime.

Thanks for taking the Test Your DeFi Summer 2020 Knowledge quiz! Here are the correct answers along with a bit of history behind each one. So whether you nailed them all or learned something new, you’ll walk away with a few more Ethereum trivia points (and hopefully some Etherscan Points too).

Thanks for taking the Test Your OG Knowledge quiz! Here are the correct answers along with a bit of history behind each one. So whether you nailed them all or learned something new, you’ll walk away with a few more Ethereum trivia points (and hopefully some Etherscan Points too).

Celebrating 10 years of Etherscan with our community through a limited-time campaign with a special profile badge and points rewards to thank you for being part of the journey.

Please read these Terms and Conditions carefully before participating in the campaign. By accessing or using the Etherscan Points System ("Points System"), you agree to be bound by these Terms & Conditions ("Terms").

Solscan Token Flow Visualizer lets you explore token movements between top holders through an interactive graph of wallet nodes and transfer arrows.

Whale Tracking Leaderboard enables real-time monitoring of high-value token transfers, swaps, and portfolio shifts, providing users with timely insights into capital flows across the network.

Discover tags and explore them easily through Solscan’s new Label Word Cloud page.

Group Account allows users to track the total portfolio of multiple wallet addresses as a unified view, rather than interacting with separate, fragmented wallet pages.

This article explains domain name, how Solscan supports them, and introduces some domain name service providers.

An introduction to Solscan's Verified Signature tool.

Explore Etherscan in new ways by trying out features before they are released to all users.

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}}.

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.

An introduction to Public names and Private names (Personal Labels) on Solscan.

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.

Solscan is a leading block explorer for the Solana blockchain.

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.

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.

A brief overview of what Inscriptions are.

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

An introduction to proxy contracts on Ethereum.

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

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.