How to Bridge Tokens to Aptos and Buy APT on Liquidswap

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Aptos mainnet is now live, enabling you to purchase APT tokens by bridging assets like USDC, USDT, ETH, and WETH from multiple blockchains. This guide walks you through each step, from connecting to the LayerZero bridge to executing your first swap on Liquidswap. You'll also learn how to check bridging fees and handle common scenarios.

Understanding the Aptos and Liquidswap Ecosystem

The launch of Aptos mainnet has been highly anticipated, and users can now acquire the native APT token directly through decentralized exchanges like Liquidswap. This functionality is made possible through Pontem's partnership with LayerZero, a leading omnichain interoperability protocol. LayerZero supports asset transfers between Aptos and six EVM-compatible chains: Ethereum, BNB Chain, Avalanche, Arbitrum, Optimism, and Polygon.

One standout feature is the ability to airdrop yourself a small amount of APT if your wallet balance is zero, ensuring you can always cover gas fees for token registration or transactions.

What Is LayerZero?

LayerZero is an interoperability protocol designed for seamless asset transfers and cross-chain application development. It distinguishes itself through efficient message delivery that is both guaranteed and trustless. Unlike layer-1 or layer-2 blockchains, LayerZero operates as a communication protocol that can integrate with smart contracts in any programming language.

Its most prominent application is in cross-chain bridging, with Stargate being a well-known example. Bridges built on LayerZero are notably secure and efficient, enabling asset transfers in a single transaction.

Step-by-Step Guide to Bridging and Buying APT

Step 1: Install and Set Up Pontem Wallet

To interact with Aptos dApps, you need a compatible wallet. Pontem Wallet, Petra, Martian, and Fewcha are all supported, though Fewcha may not yet work with Liquidswap. For this guide, we use Pontem Wallet.

Download the Pontem Wallet extension for Chrome and follow the setup process, ensuring you save the seed phrase securely. After installation, select the Aptos mainnet from the network dropdown.

Step 2: Import Tokens to Your Wallet

Before bridging, import the tokens you plan to use to your wallet. This ensures they appear in your balance immediately after transfer. Click "Import Tokens" on the wallet's home tab and enter the contract addresses:

Token registration requires a small amount of APT for gas. If you have no APT, the bridge will automatically airdrop you enough to cover this fee.

Step 3: Connect to the Liquidswap Bridge

Visit the Liquidswap Bridge page, accept the terms, and click "Connect." Select MetaMask as your source wallet and Pontem as your destination. Confirm the connection in both wallets; this step does not require gas.

Step 4: Select Source Chain and Verify Gas Fees

Choose the blockchain and token you want to bridge from. Supported assets include:

Ensure you have enough native gas coins (e.g., ETH, BNB, MATIC) in your MetaMask wallet to cover transaction fees. Use the fee estimator in the bridge widget to check current costs.

Step 5: Enter Transfer Amount

Select the token and enter the amount you wish to bridge. The widget will automatically display the equivalent token on Aptos. If your balance doesn’t appear, refresh the page.

Step 6: Execute the Bridge Transfer

Click "Transfer" and confirm the transaction in MetaMask. Depending on your APT balance and token registration status, you may encounter one of three scenarios:

After confirmation, monitor the progress bar for transaction status.

Step 7: Claim Tokens or Check Balance

If the token was unregistered, claim it through the bridge widget by clicking on the wallet address and selecting the "Unclaimed" tab. Confirm the claim transaction, which LayerZero covers. Once claimed, check your Pontem Wallet balance.

Step 8: Swap Bridged Tokens for APT on Liquidswap

Go to Liquidswap and connect your Pontem Wallet. In the swap interface, select the bridged token (e.g., USDC) and APT. Ensure "Uncorrelated" is selected for non-pegged assets. Enter the swap amount, review the rate, and adjust slippage if necessary. Confirm the transaction in your wallet.

👉 Explore real-time swapping strategies

Bridging Back to EVM Blockchains

The LayerZero bridge supports reverse transfers from Aptos to EVM chains. Be mindful of gas fees, which can be high during peak times. Use the fee estimator to preview costs, and note that transfers to Ethereum may take up to three days. Always save transaction hashes for reference on LayerZero Scan.

Uses for APT Tokens

Holders of APT can:

The Aptos ecosystem is rapidly expanding, with new dApps and opportunities emerging regularly.

Frequently Asked Questions

What tokens can I bridge to Aptos?
You can bridge USDC, USDT, ETH, and WETH from Ethereum, BNB Chain, Avalanche, Arbitrum, Optimism, and Polygon.

Do I need APT to receive bridged tokens?
No. If your APT balance is zero, the bridge automatically airdrops a small amount to cover gas fees for token registration.

How long does bridging take?
Transfer times vary by chain. Transfers to Aptos are generally fast, while returns to Ethereum can take up to 72 hours.

What if my bridge transaction fails?
Check the transaction status on LayerZero Scan. If it shows "Delivered," your funds are safe; refresh the page or wait briefly for updates.

Can I bridge tokens other than the supported ones?
Currently, only USDC, USDT, ETH, and WETH are supported for bridging to Aptos via LayerZero.

How do I check bridging fees?
Use the fee estimator in the bridge widget to see current gas costs for each chain and token.

The LayerZero bridge simplifies cross-chain transfers to Aptos, enabling seamless participation in its growing DeFi ecosystem. For further assistance, refer to the official Aptos Bridge FAQ or community forums.

👉 Get advanced bridging methods