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How to Query ERC-20 Token Balances and Transactions Using Ethers.js and Etherscan API

Tutorial October 24, 2024

  • Contract Address: Replace '0xTokenContractAddress' with the address of the ERC-20 token (e.g., USDT, DAI, or any other ERC-20 token).
  • Wallet Address: Replace '0xYourEthereumAddress' with the wallet address whose token balance you want to query.
  • ABI: We are using a minimal ABI with just the balanceOf function, which is all that’s required to query the token balance.

Once you’ve added the code, run the script:

Understanding and Using the Etherscan API to Query Blockchain Data

Tutorial October 24, 2024

We will use Axios to make HTTP requests to the Etherscan API. To install Axios, run the following command in your project folder:

npm install axios

Getting Wallet Balance Using Ethers.js in Node.js

Tutorial October 24, 2024

Once your script is set up, run it from the command line:

node getBalance.js

Understanding 0x000000000000000000000000000000000000dead Address and Token Burns in Ethereum

Tutorial October 24, 2024

The Ethereum address "0x000000000000000000000000000000000000dead" is a special placeholder address, often referred to as a burn address. It is not used for transactions or wallet management, but for a specific function in the cryptocurrency ecosystem—burning tokens.

Burning tokens refers to the process of sending cryptocurrency tokens to an address from which they cannot be retrieved. Tokens sent to this address are effectively removed from circulation forever. The address ends with "dead," signaling its purpose of making tokens unreachable.

Advanced Pybit Tutorial: Managing Leverage, Stop-Loss Orders, Webhooks, and More

Tutorial August 14, 2024
python

This function places a stop-loss order at $29,000 for a buy order of 0.01 BTC.

Webhooks can be used to receive real-time notifications about specific events, such as order executions. Although Pybit doesn't directly manage webhooks, you can easily integrate webhooks into your Python application using Flask or Django.