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SubWallet Extension makes it easy to send tokens across multiple blockchain networks, including support for cross-chain transfers (XCM).

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Basic Token Transfer

1

Access the send function

From the home screen, click the Send button, or navigate to a specific token and select Send.
2

Select the token to send

Click on the token selector and choose which token you want to send. You’ll see:
  • Token name and symbol
  • Available balance
  • The origin chain
Use the search bar to quickly find tokens if you have many assets. Tokens are sorted by balance by default.
3

Choose the destination chain

Select the destination chain from the dropdown. This can be:
  • Same as origin chain: For standard transfers
  • Different chain: For cross-chain (XCM) transfers
Only chains that support the selected token will appear in the destination chain list.
4

Select sender account (if needed)

If you have multiple accounts, select which account you want to send from. This field may be hidden if you only have one account.
Cross-chain transfers are not supported for multisig accounts. If you select a multisig account and try to send cross-chain, you’ll see an error.
5

Enter the recipient address

Type or paste the recipient’s address in the To field. You can:
  • Paste an address from your clipboard
  • Select from your address book
  • Scan a QR code using your camera
  • Choose from recent recipients
SubWallet will validate the address and show an error if it’s invalid for the selected destination chain.
6

Enter the amount

Type the amount you want to send. You can:
  • Enter a specific amount
  • Click Max to send all available tokens (if available)
Your available balance is displayed below the token selector. The maximum transferable amount accounts for transaction fees.
The Max button may be disabled for certain chains (like EVM chains) when sending native tokens, as you need to reserve some for gas fees.
7

Review transaction fee

The estimated transaction fee is displayed at the bottom. For supported chains, you can:
  • Adjust the fee by clicking on the fee selector
  • Choose between slow, average, and fast transaction speeds
  • Pay fees with alternative tokens (if available)
On some chains, you can pay transaction fees with tokens other than the native token. Look for the fee token selector if this option is available.
8

Submit the transaction

Click Transfer to proceed. If you’re using Transfer All, the button will be orange and labeled Transfer All.Review the transaction details in the confirmation screen, then enter your password to sign and send the transaction.
9

Track the transaction

After submission, you can:
  • View the transaction hash
  • Monitor its status in the History tab
  • See the transaction on the blockchain explorer by clicking the transaction hash

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Cross-Chain Transfers (XCM)

SubWallet supports cross-chain transfers between compatible networks using XCM (Cross-Consensus Messaging):
1

Select source and destination chains

Choose different chains for the origin and destination. For example:
  • Send DOT from Polkadot to AssetHub
  • Transfer USDT from Polkadot to Moonbeam
2

Review cross-chain warnings

SubWallet displays important warnings for cross-chain transfers:
Do not send cross-chain transfers to centralized exchange (CEX) addresses. Most exchanges don’t support cross-chain deposits and you may lose your funds.
3

Confirm the destination address format

Different chains may use different address formats. SubWallet will reformat the address if needed, but always verify the recipient can receive tokens on the destination chain.
4

Complete the transfer

Cross-chain transfers may take longer than same-chain transfers. The transaction will show as pending until it’s confirmed on both the source and destination chains.

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Advanced Features

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Transfer All

When you click the Max button or manually enter your full balance, SubWallet enables Transfer All mode:
  • Automatically calculates the exact amount needed for fees
  • Sends all remaining tokens to the recipient
  • The submit button changes to orange and shows Transfer All
When using Transfer All with native tokens, you won’t be able to pay for future transactions on that account. Make sure you have tokens on other chains or plan to deposit more funds.

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Custom Fee Configuration

For EVM chains and some Substrate chains, you can customize transaction fees:
  1. Click on the fee display
  2. Choose a fee option: Slow, Average, or Fast
  3. Or select Custom to manually set gas price and gas limit
  4. Review the estimated time and total cost

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Alternative Fee Tokens

On supported chains, you can pay fees with different tokens:
  1. Look for the fee token selector (appears when available)
  2. Select an alternative token to pay fees
  3. Ensure you have sufficient balance in the selected token

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Special Cases

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Sending NFTs

To send NFTs, use the NFT management guide instead of the token send function.

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Multisig Transactions

Multisig accounts require multiple signatures to send tokens. See the multisig documentation for details on the approval process.

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Ledger Hardware Wallets

When sending from a Ledger device:
  1. Ensure your Ledger is connected and unlocked
  2. Open the appropriate blockchain app on your Ledger
  3. Review and approve the transaction on your Ledger device

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Troubleshooting

You need more tokens to cover the amount plus transaction fees. Try:
  • Reducing the send amount
  • Using the Max button to automatically calculate the right amount
  • Adding more funds to your account
The recipient address may be:
  • Invalid for the destination chain
  • Incorrectly formatted
  • Missing characters (verify the full address was pasted)
For cross-chain transfers, ensure the address format matches the destination chain.
Cross-chain transfers can take several minutes. Check:
  • The source chain transaction is confirmed
  • The destination chain is fully synced
  • You’re viewing the correct account on the destination chain
If the transfer hasn’t arrived after 30 minutes, check the blockchain explorer for the transaction status.
Some tokens may be disabled because:
  • You have zero balance
  • The token’s chain is inactive
  • The token doesn’t support sending (e.g., some LP tokens)

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Best Practices

  • Always double-check the recipient address before sending
  • Start with a small test transaction for new recipients
  • For large amounts, consider using multiple smaller transactions
  • Keep some native tokens for future transaction fees
  • Save frequently used addresses to your address book

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