MetaMask (the Little Fox Wallet) is a widely used non-custodial cryptocurrency wallet that supports multiple blockchain networks compatible with the Ethereum Virtual Machine (EVM). Although MetaMask supports a variety of tokens, including USDT, users sometimes need to manually add them to view their USDT balance in the wallet interface.This tutorial will walk you through the steps to add the USDT token in MetaMask.

Understanding USDT Compatibility with MetaMask

  • Multi-chain Support: USDT is a stablecoin pegged 1:1 to the U.S. dollar and exists on multiple blockchain networks, such as Ethereum (ERC-20), BNB Smart Chain (BEP-20), Polygon, Avalanche, Optimism, and Arbitrum.
  • Network Matching: When adding USDT to MetaMask, you must select the correct network and use the corresponding USDT contract address for that network. Using the wrong network or contract address may result in the tokens not appearing or even the permanent loss of your funds.
  • TRC-20 Not Supported: MetaMask does not support TRC-20 USDT on the TRON network.

Two Main Methods for Adding USDT Tokens

There are two main ways to add USDT in MetaMask: automatic detection and manual addition.

MetaMask 小狐狸钱包添加 USDT 代币教程

Method 1: Auto-detection (available on select networks, such as the Ethereum mainnet)

MetaMask has a built-in automatic token detection feature that works particularly well on the Ethereum mainnet.

  1. Open the MetaMask wallet: Open your MetaMask browser extension or mobile app and log in.
  2. Go to Settings: Click the “Settings” icon (usually three dots or a gear icon) in the top-right corner of the wallet interface.
  3. Enable Auto-Detect: Navigate to the “Experimental” or “Security & Privacy” section, then turn on the “Auto-Detect Tokens” feature.
  4. View USDT: MetaMask will scan your address, and if you have a USDT balance, it will automatically appear in your asset list.

Method 2: Add Manually (Recommended; works for all supported networks)

If automatic detection fails to display your USDT, or if you want to add USDT on a specific network, manual addition is a more reliable method.

Step 1: Obtain the Correct USDT Contract Address

This is the most critical step. The USDT contract address varies across different networks.

  • Select a network: First, determine which blockchain network your USDT is on (e.g., Ethereum, BNB Smart Chain, Polygon).
  • Find the contract address:
    • Visit cryptocurrency data websites such as CoinMarketCap or CoinGecko and search for USDT.
    • On the USDT page, locate the contract address corresponding to your selected network. For example, if you choose the Ethereum, copy the ERC-20 contract address.
    • Alternatively, go directly to the official blockchain explorer for your chosen network (such as Etherscan for Ethereum, BscScan for BNB Smart Chain, or Polygonscan for Polygon), search for USDT, and locate its contract address.
    • Important Note: Be sure to carefully verify the contract address to ensure it matches your selected network and comes from an official or trusted source to prevent scams.

MetaMask 小狐狸钱包添加 USDT 代币教程

Step 2: Add a Custom Token in MetaMask

  1. Open your MetaMask wallet and select a network: Open your MetaMask wallet and make sure you’ve switched to the correct network where your USDT is held. Click the network selector at the top of the wallet to switch.
  2. Go to “Import Token”: In the “Tokens” section of the MetaMask home screen, scroll to the bottom and click “Import Token” (or “Add Token”).
  3. Select “Custom Token”: In the pop-up window, select the “Custom Token” tab.
  4. Paste the contract address: Paste the USDT contract address you copied in Step 1 into the “Token Contract Address” field.
  5. Auto-fill the information: Typically, MetaMask will automatically fill in the “Token Symbol” (USDT) and “Token Decimal Places” (usually 6 or 18, depending on the network). If these fields are not auto-filled, enter the values manually.
  6. Click “Next”: After confirming that the information is correct, click “Next.”
  7. Confirm Import: MetaMask will display a confirmation screen; click “Import Token” to complete the process.

Frequently Asked Questions and Troubleshooting

  • USDT Not Displayed: If USDT still does not appear after adding it, please double-check that you have selected the correct network and pasted the correct contract address. Sometimes, refreshing the wallet interface (logging out and back into MetaMask or refreshing your browser) can resolve the issue.
  • Balance Shows as Zero: If USDT appears but the balance is zero, it may be because you entered the wrong network contract address, or due to a display delay caused by network congestion. You can enter your wallet address into the corresponding blockchain explorer to view your actual token balance.
  • Update MetaMask: Make sure your MetaMask browser extension or mobile app is updated to the latest version to avoid interface errors.

After completing the steps above, your USDT tokens should appear in the asset list of your MetaMask wallet, where you can view your balance, send USDT, or perform other actions.