Etherscan Introduction and User Guide

Introduction:

Etherscan is a blockchain explorer for the Ethereum network, providing users with a convenient tool for searching transactions, blocks, wallet addresses, smart contracts, and other on-chain data. As one of the most popular Ethereum blockchain explorers, Etherscan offers its services for free. Through Etherscan, users can gain a deep understanding of how to interact with the blockchain, other wallets, and DApps, which is essential for account security and detecting suspicious activities.

Using Etherscan is straightforward, as you only need to paste the wallet address, transaction ID (TXID), contract address, or other identifiers into the search box. Through the explorer, users can obtain relevant information about transactions, addresses, timestamps, and amounts. Additionally, Etherscan also offers functionality to directly interact with smart contracts, allowing users to perform transactions, view gas fees, and search for airdrops.

In general, Etherscan is a powerful Ethereum blockchain explorer that provides users with convenient querying tools, helping them gain a comprehensive understanding of various information on the blockchain and enabling various operations through direct interaction with smart contracts.

Why use Etherscan?

Using blockchain explorers like Etherscan is crucial for viewing on-chain information in the Ethereum network. Here are some main reasons for using Etherscan:

1. Visualization of On-Chain Information: Etherscan provides users with an intuitive and detailed platform to view Ethereum blockchain information. Through the explorer, users can easily access on-chain data, such as transaction records, smart contract execution, and more.

2. DApp and Smart Contract Interaction: Etherscan allows users to interact directly with smart contracts. This is helpful for gaining a deeper understanding of how DApps work, monitoring smart contract execution, and working with associated data.

3. Account Security: Through Etherscan, users can monitor transaction activities associated with their wallet addresses, promptly detecting any abnormalities or suspicious behavior. This helps improve account security by taking necessary precautions in a timely manner.

4. Project Tracking: Etherscan enables users to track token movements related to specific projects, allowing them to discover potential large-scale token transfers or sell-offs by project founders. This helps raise awareness of potential fraud or project abandonment risks.

5. Whales Alert: Etherscan offers features like whales alert, which enables users to receive notifications about massive fund movements. This provides users with timely insights into market trends and alerts to possible cryptocurrency dumping or buying behavior.

Using Etherscan allows users to gain a comprehensive understanding of and monitor information on the Ethereum network, enhance account security, delve into DApps and smart contracts, and stay updated on project developments, enabling users to make informed decisions.

How to Use Etherscan to Track Transactions and Wallets

Tracking transactions and wallets in Etherscan is a fundamental and important feature. Here are the steps to track transactions and wallets:

1. Open the Etherscan homepage: Enter the Etherscan URL in your browser (e.g., https://etherscan.io/).

2. Use the search box: Locate the search box provided by Etherscan at the top of the page. In the search box,

3. Enter the transaction hash, wallet address, block number, or other identifiers. In this example, we will use a transaction hash for demonstration purposes.

4. Input the transaction hash: Paste the transaction hash (e.g., 0x80a3cc0f344651b3de745b2f1efbe8d35d4f348e95b345c8a840ebf955414fa5) into the search box.

5. Execute the search: Click the search icon next to the search box or press enter to execute the search.

6. View transaction details: On the search results page, detailed information related to the inputted transaction hash will be displayed. You can view the confirmation count, sender and recipient addresses, transaction fee, and more. This allows you to verify whether the transaction has been successfully sent.

For tracking wallets, you can follow these steps:

1. Use the search box: In the Etherscan homepage's search box, input the wallet address you want to track (e.g., 0x480bbcb368197d44c6f54a738e59c33eff004b6a).

2. Execute the search: Click the search icon next to the search box or press enter to execute the search.

3. View wallet details: On the search results page, you will see detailed information related to the inputted wallet address, including the account balance, transaction history, token holdings, and more.

By following these steps, you can easily track the details of specific transactions or wallets on Etherscan, which is helpful for understanding cryptocurrency movements, confirming transaction statuses, and monitoring wallet activity.

How to Use Etherscan to View Smart Contracts

Viewing smart contracts on Etherscan is an important feature, especially for users who frequently interact with smart contracts in DApps. Here are the steps to view smart contracts on Etherscan:

1. Get the smart contract address: If you're adding a new token to your wallet or need to find a specific smart contract, you'll need to obtain the address of the smart contract. This can usually be found on CoinMarketCap, CoinGecko, or the project's official website.

2. As an example, let's take Uniswap ERC-20 tokens, whose contract address is 0x1f9840a85d5af5bf1d1762f925bdaddc4201f984.

3. Go to Etherscan's tokens page: Open https://etherscan.io/tokens

4. Paste the smart contract address in the search box: Copy the smart contract address (e.g., 0x1f9840a85d5af5bf1d1762f925bdaddc4201f984) and paste it into the search box on the Etherscan homepage.

5. Execute the search: Click the search icon next to the search box or press enter to execute the search.

6. View smart contract details: On the search results page, you will see detailed information related to the inputted smart contract address. You can view the contract's code, token balances, transaction history, and more.

By following these steps, you can conveniently view the detailed information of a specific smart contract on Etherscan, including its code, transaction history, and associated token data. This helps verify funds being sent to the correct contract and ensures the proper execution of your interactions in DApps.

How to View Gas Fee Prices on Etherscan

Viewing gas fee prices on Etherscan is crucial for understanding the current congestion level of the Ethereum network and predicting transaction costs. Here are the steps to view gas fee prices on Etherscan:

1. Open Etherscan's Gas Tracker page: Enter https://etherscan.io/gastracker in your browser or navigate to the "Gas Tracker" page from the Etherscan homepage.

2. Check gas fee prices: On the Gas Tracker page, you will see different types of gas fee prices, typically including "Standard (SafeLow)", "Propose (Average)", "Fast (Fastest)", and "Instant (Pending)". These prices reflect different transaction confirmation speeds, with "Standard" being slower and cheaper, while "Instant" is faster but more expensive.

3. Understand fee and time variations: The Gas Tracker page often provides historical charts of gas fee prices, showing fee fluctuations over different time periods. Through these charts, you can understand the trend of gas fee prices, which can help better predict future fee variations.

4. Choose the appropriate gas fee level: Select the appropriate gas fee level based on your needs and transaction urgency. If the transaction doesn't require immediate confirmation, you can opt for lower fees to save costs. Conversely, if quick confirmation is necessary, you may need to pay higher fees.

By using Etherscan's Gas Tracker page, you can stay up-to-date on gas fee prices in the Ethereum network, helping you make informed decisions and ensuring your transactions get confirmed timely. This is a useful tool, especially during congested periods when higher fees may be needed to ensure transaction success.

Summary:

Etherscan is a crucial tool for the Ethereum network, providing functions to track transactions, wallets, smart contracts, and gas fee prices. Through Etherscan, users can monitor account activity in real-time, track project developments, understand smart contract details, and predict transaction costs using the Gas Tracker feature.