Etherscan - How does it work - Why is it so important?
Etherscan - How does it work - Why is it so important?

What is Etherscan and how does it work?

Etherscan, sometimes known as “Ethplorer,” is the most reliable tool for browsing all public data on the Ethereum blockchain. Transaction data, wallet addresses, smart contracts, and much more are all included in this data. The Ethereum Foundation, which is a non-profit organization, does not promote or administer the application, which is a standalone chevalier.

Etherscan was created by a team of seasoned developers and industry professionals with the goal of making the Ethereum blockchain more accessible to average consumers.

Despite being a centralized platform, Etherscan makes searching the Ethereum blockchain simple.

Is Etherscan a wallet?

Etherscan is neither an Ethereum wallet nor a provider of wallet services. When searching for the Ethereum blockchain on Etherscan, users do not receive an Etherscan wallet. is a decentralized Ethereum block explorer. The Etherscan software keeps track of Ethereum blockchain transactions. The results are then displayed in a search engine-like manner.

This allows users to look up transaction data on the Ethereum blockchain, which helps comfort people who haven’t received their payments yet.

While Etherscan can follow activities on an Ethereum wallet address, users must first connect the program to a cryptocurrency wallet.

You might question if Etherscan is free. Etherscan is, indeed, absolutely free.

What is Etherscan used for?

Users can view assets kept on any public Ethereum wallet address using Etherscan. Enter any Ethereum address in the search area of Etherscan to see the current balance and transaction history of the wallet in question. Etherscan will also display any gas charges or smart contracts associated with this address.

Users can use Etherscan to:

  • With the Etherscan gas tracker, you can calculate Ethereum gas fees.
  • Smart contract search and verification
  • View the crypto assets that are owned or linked to a public wallet address.
  • Search for a single transaction performed from any Ethereum wallet by watching live transactions on the Ethereum blockchain.
  • Find out which smart contracts have security audited source code.
  • Keep track of how many smart contracts a user has approved using their wallet.
  • For all decentralized applications, review and cancel wallet access (DApps)

Etherscan allows users to view any Ethereum blockchain transaction. These transactions contain both completed and uncompleted trades.

Etherscan can also monitor an incoming transfer’s progress. One technique to track a transaction with Etherscan is to use its hash key to search Users can use the hash to estimate how long it will take to confirm a transaction. When the transaction is completed, the page will reload.

Etherscan can also be used as a data analytics tool. Anyone can use Etherscan to manage their wallet and monitor their transaction history for suspicious behavior, as well as evaluate on-chain metrics like changes in Ether (ETH) gas costs.

Etherscan only shows public information about the Ethereum blockchain; private keys and other personal information are not visible. Etherscan does not save any private keys and does not participate in any of the transactions. A transaction failure can no longer be resolved using the application.

>> If you wanna go deep in your understanding of the Ethereum blockchain, then have a look at our article about ERC20 tokens

Do users need an account to use Etherscan?

Before utilizing the Etherscan app, users do not need to register an account. Users can have access to more services by creating an Etherscan account. The ability to follow addresses and receive notifications whenever a transaction occurs is one of these functionalities. Developers can also sign up for free access to Etherscan’s blockchain explorer data and APIs (APIs).

Users with accounts can add their addresses to the block explorer’s “watch list” to follow or monitor their investments. Users can also establish alerts to receive email notifications for each incoming transaction. Etherscan also offers developers API services to help them create decentralized applications.

For all incoming and outgoing transactions, Etherscan offers the following information:

  • Transaction hash The number of blocks in which the transaction was logged and the time it was confirmed
  • Gas expenditures for the sender and recipient
  • Sent amount
  • Fees for all transactions

How does Etherscan work?

Simply type any public Ethereum wallet address into the search box at the top of the homepage to get started. Users will be able to see all transactions linked with that address as a result of this.

Displaying a transaction and a portfolio on Etherscan

A list of all ETH transactions (Txns) or transactions that consumed gas (Gwei) linked with a wallet address may be found on Etherscan under the “Transactions” tab.

On the Etherscan homepage, type the wallet address and click “Search” to be redirected to a page with all of the wallet’s details. The information will include the wallet’s ETH balance and US dollar value, as well as a history of transactions.

Search tab in the Etherscan to retrieve a wallet or transaction information. Source: Etherscan.

When you click the Wallet Transactions tab, a new page appears with information on all transactions involving that address. The transaction ID, block height, and when the transaction was completed are all included in the details.

View of a transaction on Etherscan – Source: Etherscan

The transaction’s block height refers to the block in which it was contained. The sender and receiver addresses, as well as the total transaction fees, are shown.

Users will need the transaction hash or ID, or TxHash, to investigate and trace a single transaction. A transaction on the blockchain is identified by a TxHash, which is a unique string of numbers.

When users type the TxHash into the Etherscan search bar, a list of transaction details is displayed on the page. Users can go to the Transactions tab from here to see more details about the transaction. This information indicates whether the transaction was successful, pending, or unsuccessful, as well as the total amount sent.

You can see the ETH transaction value as well as the USD value of ETH at the moment of the transaction. Etherscan also displays the timestamp of each transaction, as well as the cost of the transaction in USD.

You’re probably curious about what kind of information Etherscan gives you access to, so here’s what you can find by searching by wallet address:

  • The balance of a wallet indicates how much cryptocurrency it presently has and its current worth.
  • You may see every transaction done from a single wallet address using transaction (transaction data).
  • Internal TXNs enable you to view all internal transactions initiated from a wallet address.
  • Loans display all of the loans you’ve taken out on any of Etherscan’s platforms, including Compound, AAVE, Cream, Maker, and Curve.
  • The value of a wallet can be determined via analytics (analytical). The highest and lowest ETH balances, as well as the highest and lowest US balances, are included in this report. Etherscan also presents a basic graph that shows the balance of a wallet over time. Transactions, TxnFeesles, Ether transfers, and Token transfers are among the other charts.
  • Comments. Etherscan users can write remarks on a person’s wallet address using comments. These remarks may be useful in alerting others to potential scams and unusual wallet activity. There’s more. Etherscan provides even more analytic tools to its consumers.

Look for anything specific. You can look for a specific transaction by its block number in Block. The number of the block in which the transaction was recorded is referred to as a block. Starting with the very first block height, the block heights are numbered (0, 1, 2, 3, etc). (0). Similar to searching by txn hash, searching by block height will provide data points. The only difference is that searching by block also displays who mined the block, the difficulty of mining, and the size, which is determined by the block’s size.

Searching by Token ID will display the token’s price, the total number of tokens, the number of holders, and any updates that have been tied to the token. Look for anything specific. You can use ENS to look for an ENS (web3) domain. The controller of this domain can be found by searching for this information (the account that has the rights to edit the domain). When you search for Etherscan on the ENS, you can also check who the “Registrant” (the domain name’s owner) is. It’s crucial to understand since the ENS’s property rights can be moved to another location. Additionally, you may view a DNS’s expiration date.

Etherscan statistics and charts

Etherscan is a useful tool for keeping track of all of these transactions. Etherscan creates numerous extremely informative statistics on the Ethereum ecosystem based on raw data. Etherscan, for example, employs charts to provide crucial insights about Ethereum traffic rather than simply reporting total daily transactions. Etherscan can track the number of vital indications, including:

  • Mining difficulty refers to how tough it is for ETH miners to solve a block.
  • Hash rate is the amount of computational power that miners employ to solve a block.
  • The average time per block is the time it takes to complete a block.
  • The average block size: depending on network demand, the block size can drop or rise. Miners avoid blocks that are overly large because they slow down the blockchain’s scalability.
  • The total number of blocks solved: this indicator shows the total number of blocks that have been solved.
  • Uncle block percentage: this is the total number of blocks mined and submitted at the same time, resulting in orphan blocks. Unlike orphan blocks in Bitcoin, Ethereum’s “uncle” blocks have particular inclusion rewards.
  • The total number of new Ethereum-based crypto wallet addresses.

Based on this raw data, Etherscan can make several graphs.

Etherscan Graph and statistics. Understand the Ethereum Blockchain. Source: Etherscan

How to use the Etherscan gas tracker?

The term “gas” refers to the transaction costs associated with a successful transaction on the Ethereum blockchain. On Ethereum, transaction fees are known as gas fees.

The Ethereum network can get quite crowded. Due to Ethereum’s auction-based mechanism, when a significant quantity of traffic goes through the blockchain, the average gas price rises as users compete and bid for their transactions. will be included in the following block. As a result, some transactions are rolled back and others fail.

Etherscan Gas tracker – Source: Etherscan

Gas prices vary according to the block in which the user’s transaction was included, as well as network congestion. Furthermore, before initiating a transaction, users may not be able to determine an exact estimate of the gas prices they would need to pay.

It is best to utilize Etherscan’s gas tracker to precisely determine the gas fees of a transaction. Ether Gas Tracker can do more than just display users the difference in gas prices over time. It can also be used to predict network congestion and transaction costs per transaction.

The Etherscan gas tracker functions similarly to an Ethereum gas calculator. It looks at pending transactions on the Ethereum blockchain to figure out how much gas is needed for each one.

Users are given an estimate of gas costs so that they may time their transactions to avoid clogging the network. This lowers transaction costs and makes transactions cheaper and smoother without the anxiety that comes with not knowing whether a transaction will succeed or fail.

How to use Etherscan to check wallet sales and history?

Search for a user’s wallet address on Etherscan and click “Analytics” to examine how their wallet sale has evolved over time. Users can get data analytics for their wallets from this page, including the user’s ETH sale, entire transfer history, transactions, and fees paid.

Etherscan – Follow the balance of an Address. Source: Etherscan

Using Etherscan to Examine Smart Contracts and Wallet Access

The Etherscan app’s “Read Contract” and “Write Contract” functionalities allow you to read and modify smart contracts without requiring special permissions. These sections display real-time data on a variety of tokens and smart contracts. These characteristics can also be used to make a token transfer and think about smart contract transactions.

Etherscan token approval – Source: Etherscan

The token trust checker on Etherscan can be used to remove a token’s access to a user’s wallet. When users utilize DApps to buy or sell tokens, they are directly accessing a user’s wallet with their permission. As a result, scammers attempting to get access to users’ Ethereum wallet addresses find DApps appealing.

Users can use Etherscan to cancel their access to a specific wallet address if they notice suspicious activity or feel a DApp has been compromised. Users’ assets in the wallet will not be lost, but they will need to re-authorize the tokens the next time they access the DApp.

Find the user’s wallet address on Etherscan’s token approval checker to review the user’s list of approved tokens. This will show users a list of all the wallet’s approved smart contract interactions. Users can then connect their wallet to Etherscan and select “revoke” to confirm that the DApp in question no longer has access to their wallet.

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The road ahead

Etherscan is a popular tool for obtaining trustworthy data from the Ethereum blockchain. Etherscan can study smart contract code in real-time, watch gas prices, and keep an eye on the Ethereum network.

Finally, Etherscan is a free service that does not require user registration to utilize. Overall, this is a terrific place to start for users who want to learn about the complete spectrum of blockchain functionality, as well as their Ethereum wallet and the insights a blockchain explorer may provide.

To understand Ethereum more:

>> If you find the Ethereum Blockchain interesting, you read more about how to mine Ethereum or how to mine Bitcoin
>> Look at our article to understand Eth sharding better
>> Understanding Ethereum will be crucial to avoiding crypto scams

What Is Etherscan And How Does It Work? Summary

  • The Etherscan software keeps track of Ethereum blockchain transactions.
  • Enter any Ethereum address in the search area of Etherscan to see the current balance and transaction history of the wallet in question.
  • Etherscan allows users to view any Ethereum blockchain transaction.
  • One technique to track a transaction with Etherscan is to use its hash key to search
  • Anyone can use Etherscan to manage their wallet and monitor their transaction history for suspicious behavior, as well as evaluate on-chain metrics like changes in Ether gas costs.
  • Etherscan does not save any private keys and does not participate in any of the transactions.
  • A list of all ETH transactions or transactions that consumed gas linked with a wallet address may be found on Etherscan under the “Transactions” tab.
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