# Popular Token Contract Addresses

### Popular Token Contract Addresses on Mainnet

* **XBTC ：**0x4aa4365da82ACD46e378A6f3c92a863f3e763d34
* **XSAT :**   0x8266f2fbc720012e5Ac038aD3dbb29d2d613c459
* **USDT：**0xa7366be06b2867a207c0c4f37481ff7b0ce62d87
* **USDC:**   0x893afc357b656edd4f0c028670516f846fe89cfb
* **ETH:**      0x81e1da8bdebc4686b9025839c72c7fb0229f180c

### Popular Token Contract Addresses on Testnet

* **XBTC ：**0xADeb1300E4860089d93233ddED31B33206ba8432
* **XSAT :**   0x8266f2fbc720012e5Ac038aD3dbb29d2d613c459
* **USDT：**0x1C17fF9d5F21eCAB644958Dfce382792974d1D19
* **USDC:**   0x68B76d73935CdE16E10FA912990877D88303d08D
* **ETH:**      0x166C6D4aF523265b4bCf86C3A57284D72115B7F1

### How to add custom Tokens to MetaMask

<https://support.metamask.io/manage-crypto/tokens/how-to-display-tokens-in-metamask/#how-to-add-a-custom-token>