How to Set Up and Fund a Polygon Wallet

You can set up a Polygon wallet with a self-custody wallet app, add Polygon PoS if it is not already listed, then fund the address with POL. POL is the native token used to pay fees on Polygon PoS. It replaced MATIC as the network’s gas token, so current instructions or exchange listings may use either name.

Before you move funds, identify which network holds them. POL on Polygon PoS, POL or MATIC on Ethereum, and tokens on other networks are not interchangeable just because a wallet displays the same address. A withdrawal sent on the wrong network can be difficult or impossible to recover.

For a straightforward start, plan to:

1. Install a reputable self-custody wallet from its official app store or website.
2. Create a new wallet and secure its recovery phrase offline.
3. Select Polygon PoS in the wallet.
4. Buy or transfer POL using that exact network.
5. Send a small test amount before moving a larger balance.

Fees vary by service and transaction. The sections below explain what to check before each step.

A self-custody wallet gives you control of your keys, but also makes you responsible for protecting them. A wallet such as MetaMask can be used with Polygon PoS; other wallets may support it too. Check current network support in the wallet itself before you create an account or transfer funds.

Install the app or browser extension only from the wallet’s official site or the relevant app store. Check the publisher carefully: fake wallet apps and sponsored search listings can imitate legitimate products. You do not need to connect a wallet to a website just to create an address.

Follow the wallet’s setup steps and choose to create a new wallet. It will show a recovery phrase, also called a seed phrase. Write it down and store it somewhere private and offline. Do not photograph it, save it in a cloud note or send it to anyone. Anyone with the phrase can control the wallet.

Set a strong device password or wallet password, and enable available device security. A password protects access on that device; it does not replace the recovery phrase. If you already have a wallet, you can usually add Polygon PoS to it instead of creating a separate wallet.

Treat your recovery phrase as the master key to your wallet. The wallet provider cannot reset it for you, and legitimate support staff should never ask you to reveal it. Keep the written backup somewhere secure, protected from theft, fire and water. If you use more than one backup, make sure both are stored safely.

Before depositing a meaningful amount, confirm that you can access the wallet and that your backup is readable. Do not test recovery by entering the phrase into a website or an unfamiliar app. If you need to restore a wallet, use the wallet’s official application and follow its built-in recovery process.

Use these checks before funding:

• Confirm the wallet address in the app, rather than copying it from a message.
• Check the first and last characters of the address after pasting it.
• Keep your device and wallet software updated through official channels.
• Review each transaction request; a wallet connection does not mean a site is safe.
• Consider a separate wallet for experimenting with unfamiliar apps.

A hardware wallet can add another layer of key protection, but it does not remove the need to verify addresses, networks and transaction details.

In your wallet, look for Polygon PoS in its network list or network directory. If it is available, select it and confirm that the wallet shows the Polygon network before you receive funds. Wallet menus and labels change, so use the wallet’s current instructions rather than copying network settings from an old tutorial.

If you must add a network manually, verify the network name, chain ID and other settings against Polygon’s official materials or the wallet’s trusted network directory. Polygon PoS uses chain ID 137. Do not copy settings from a random social post, direct message or unfamiliar website; malicious network settings can mislead you about transactions or balances.

After adding the network, copy your receiving address from the wallet while Polygon PoS is selected. On many EVM-compatible networks the address format can look the same, but that does not mean a transfer on every network will arrive as intended. The sending service must support Polygon PoS for that asset.

Your wallet may not display every token automatically. A missing token display is not proof that funds are lost; check the transaction status and token contract using trusted tools before taking action.

For many users, buying POL through a crypto exchange or service that supports Polygon PoS withdrawals is the simplest way to fund a wallet. Availability depends on your country and the service. Before buying, check the purchase price, payment charges and any exchange fees; before withdrawing, check the withdrawal fee, minimum amount and supported network.

Use this sequence:

1. In your wallet, select Polygon PoS and copy your receiving address.
2. At the exchange, choose POL and start a withdrawal.
3. Select Polygon PoS as the withdrawal network—not Ethereum or another Polygon-related option.
4. Paste the address and compare its beginning and ending characters with your wallet.
5. Send a small test withdrawal if the service’s minimum and fees make that practical.
6. Wait for confirmation and check the balance before sending the rest.

A withdrawal marked “Polygon,” “Polygon PoS” or “POL” may be described differently by different services. If the exchange does not clearly confirm that it supports Polygon PoS withdrawals, do not guess. Exchanges can charge a withdrawal fee, and their minimums and processing times can change. You will also need POL in the wallet to pay for later transactions on Polygon PoS.

You can also move assets from another network using a bridge, but this adds steps and contract risk. Use a bridge only if it supports the exact asset and the networks you intend to use. Check the quoted amount, route, fees, expected timing and destination network in the transaction window before approving anything. A bridge transaction may involve network fees on the sending chain as well as charges built into the route.

Polygon’s Portal provides a route for upgrading MATIC held on Ethereum to POL. MATIC on Ethereum is not the same as POL already held on Polygon PoS, and upgrading an Ethereum token requires an Ethereum transaction. That means you need ETH on Ethereum to pay its gas fee. Confirm the token and network shown by the Portal before approving the upgrade.

For any bridge or token upgrade:

• Navigate from Polygon’s official site, not a message or an ad.
• Check the destination address and chain in your wallet.
• Read the wallet’s approval request; token approvals can grant spending permissions.
• Do not sign if the amount, asset or destination differs from your intended route.
• Keep enough POL on Polygon PoS for fees after the transfer.

A bridge is not a shortcut around network checks. If you are unsure which network holds your asset, pause and verify it first.

After the funds arrive, confirm the token and network in your wallet. If the balance is not visible, check the transaction hash and destination address using a trusted Polygon block explorer. Make sure you are viewing Polygon PoS, not Ethereum or another network. Do not send a second transfer until you understand the first one’s status.

POL pays transaction fees on Polygon PoS. Fees change with network activity and transaction type, so check the fee estimate in your wallet before signing. A token transfer, swap or contract interaction may cost different amounts. If the wallet shows a fee in another token, stop and verify that you are on the intended network.

If you plan to use a Polygon app, start by checking its identity and the action it requests. A site may ask you to connect your wallet, but connecting alone should not require sharing your recovery phrase. Review each approval and transaction; reject requests you do not understand. For a new recipient or app, try a small transaction first where practical.

Keep a small amount of POL available for future fees. Holding another token on Polygon PoS does not automatically provide the POL needed to move it.

Most funding problems come from choosing the wrong network, trusting a fake wallet page or rushing a transaction. Use this final checklist before you transfer:

• Wrong network: Confirm Polygon PoS is selected on both the sending service and the receiving wallet. Similar network names do not guarantee compatibility.
• Wrong token: Check whether you are sending POL, MATIC or another asset, and where it currently lives. A ticker alone does not identify the network.
• No gas balance: Keep POL on Polygon PoS for transactions there; Ethereum actions, including an Ethereum-side token upgrade, need ETH for gas.
• No test transfer: When practical, send a small amount first and verify its arrival before moving a larger balance.
• Unsafe recovery request: Never disclose your recovery phrase or private key to a person, website or support account.
• Unexpected approval: Read the wallet prompt and reject transactions you cannot explain.

If you make a mistake, stop and gather the transaction ID, network and recipient address. Contact the official support team of the exchange or wallet if relevant, but never pay someone who claims they can recover funds in exchange for your recovery phrase. Some incorrect transfers cannot be reversed.