How to cancel or replace a pending Ethereum transaction

How to cancel or replace a pending Ethereum transaction.

If you already use the network Ethereum In the past, you may have experienced a transaction that took longer than usual to confirm. This happens because of the way miners prioritize transactions – users who offer higher fees get priority.

If your Ethereum transaction is stuck because gas fee low, you will need to wait until fees drop and miners finally process your transaction. However, you also have the option to replace the pending transaction with a new one that has a higher gas price. Seems complicated? It’s easier than you think. And it works with ether (ETH) and all Erc20 tokens.

First of all, remember that you cannot replace, revert or cancel confirmed transactions. However, during times of network congestion, some cryptocurrency transactions may get stuck. When trading volume is too high, you may find yourself with pending transactions for hours or even days.

Sometimes, bottlenecks clear up on their own – either due to a failed pending transaction or a drop in gas fees. While you can’t literally cancel an Ethereum transaction, there are some steps you can take to speed up the process. In effect, it consists of replacing a pending transaction with a new one that pays higher fees.

In this guide, we will show you how to speed up transactions using MetaMask or Trust Wallet. You can also use other crypto wallets that support the Ethereum blockchain, but the process may be slightly different.

  • You must first install MetaMask or Trust Wallet.
  • Private key (seed phrase) to login to your Ethereum wallet.
  • Internet access.

Why is my Ethereum transaction stuck?

Ethereum works with a bidding system for your transaction fees. Your fees will depend on the complexity of your transaction (i.e. how much computational work it takes). In this context, there are three important terms you should know: gas cost, gas price, and gas cap.

The computational tasks of a transaction are measured by the cost of gas, while the price paid per unit of gas is what we call the gas price. You can think of the cost of gas as the amount of work required and the price of gas as the price paid per “hour worked”. Finally, the gas limit is the maximum amount you are willing to pay for a transaction.

While gas costs are determined by the complexity of your transaction, you are free to set your own gas prices and limits. The total fees paid will then act as an incentive for the miners. However, if your gas price is too low, you may be overpaid by other users, leaving your transaction pending. If a transaction gets stuck, Ethereum will not confirm any new transactions you make from the same wallet address until the miner confirms the first transaction.

How to speed up trading on Metamask

How to cancel or replace a pending Ethereum transaction on Metamask.

1. Login to your MetaMask wallet with pending transactions. If it’s an external wallet, you’ll need to enter the address with the corresponding seed phrase or private key.


2. Find pending transactions in tab [Hoạt động] and click “Speed ​​up”.


3. This process will allow you to replay your transaction. Make sure to use a higher gas price by clicking “Fast” then “Save”.


4. If the previous step didn’t work, you can also go to the “Advanced” tab to set the gas price manually. You can check current gas prices and average confirmation times on Etherscan or EthGasStation.

How to replace a transaction on Metamask

1. Login to your MetaMask wallet with pending transactions. Again, if it’s an external wallet, you need to enter the address using the seed phrase or the corresponding private key.


2. Find pending transactions in tab [Hoạt động]. Click it to check details and write value [Nonce].

Note: If you have multiple pending transactions, you need to start with the oldest transaction first (lowest nonce value).


3. Next, go to MetaMask “Settings” and click “Advanced”.


4. Scroll down and enable “Customize Trading Times”.


5. Go back and click on your wallet address to copy it to the clipboard.


6. Click [Gửi] to create a new transaction and paste your wallet address in the “Add recipient” field.


7. You need to deposit 0 ETH into your own wallet using pending transaction time (note in step 2). Click “Confirm” when you are ready.

Note: If your gas price is too low, this transaction may also be difficult. Make sure you set a reasonable gas price.


8. Wait for the new transaction to be confirmed, so the pending transaction will be replaced.

Note: To avoid crashes, make sure to switch the “Customize transaction nonce” option back to OFF.

How to cancel transactions with Trust Wallet

How to cancel or replace pending Ethereum transaction on Trust Wallet.

1. Click on the pending transaction in your Trust Wallet app and search for the “Nonce” field. Record the number you see.


2. Create a new transaction and add your wallet address in the “Recipient Address” field. Make sure it’s the same address as the pending transaction. Set “Amount of ETH” to 0 and click “Next”.


3. Tap settings in the top right corner.


4. Replace field [Nonce] equals the value you wrote down earlier. Make sure to book [Giá xăng] compete so that your trading is not difficult anymore.


5. Wait for the new transaction to be confirmed, so the pending transaction will be replaced.

Sometimes, stuck transactions will automatically delete as network fees drop. But unfortunately, this can take quite a while. Thankfully, you can abort a stuck transaction by pre-running it with a simple 0 token pass. Remember that you will need to pay the full gas fee to successfully execute the cancellation.

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