> ## Documentation Index
> Fetch the complete documentation index at: https://manuals.cobo.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Supported tokens and chains

## Overview

[Token Swap](/en/apps/token-swap/introduction)'s Bridge feature enables secure cross-chain transfers between the following tokens and chains:

## BTC bridging

BTC can be bridged between the following chains:

* Bitcoin
* Ethereum
  <Note>Currently, only Custodial Wallets (Asset Wallets) support BTC bridging.</Note>

## USDC and USDT bridging

USDC and USDT can be bridged between the following chains:

* Ethereum
* Solana
* Tron
* Op Mainnet
* Arbitrum
* Base (USDC only)
* Polygon
* BSC Chain
* Avalanche

## ETH bridging

ETH can be bridged between the following chains:

* Ethereum
* Op Mainnet
* Arbitrum
* Base
* BSC Chain