Polkadot-JS UI: How to Sign a Transaction Print
Modified on: Tue, 14 Mar, 2023 at 5:32 PM
Signing a transaction is the final step of any transaction, like sending funds out of your account. A transaction will not be broadcasted in the blockchain until you sign it. You sign a transaction with your private key for your account, proving that you own this account. The signing process, however, depends on what wallet or account manager you use.
TABLE OF CONTENTS
- Signing a transaction on Polkadot-JS UI
- Cannot sign a transaction?
Signing a transaction on Polkadot-JS UI
NOTE: For most users, we strongly recommend using the Polkadot browser extension with Polkadot-JS UI to have better security and convenience. You can restore your existing account in the extension.
1. If your account was added directly on Polkadot-JS UI, you can sign a transaction in the UI. This is what you see after clicking "Make Transfer":
2. Here you can check the transaction details once again:
How can I verify what extrinsic I'm signing?
NOTE: in the transaction details, the amount is displayed in Planck. One DOT contains 10,000,000,000 Planck. You can read more about it in our article.
3. To sign the transaction, enter your account password in the "unlock account with password" field:
Then click the "Sign the transaction" button.
4. If you want to send other transactions soon, you can click on the "unlock for 15 min" slider. It will allow you to skip entering your password for the next 15 minutes.
5. Congratulations, you have signed a transaction! It will be included in the blockchain within a few seconds. You can now open any of the block explorers to view your transaction:
Cannot sign a transaction?
Sometimes it might happen that we cannot sign a transaction. Here are described some of the causes and possible solutions.
My password is invalid
We have compiled a few things to try in this article:
If you don't know your password but have your mnemonic phrase, you can restore your account and set a new password.
My transaction failed
Signing a transaction means that it will be included in the blockchain. However, it doesn't always mean it will be executed. You can check the result of your transaction on a block explorer. Sometimes a transaction cannot be executed, and it fails:
Please check the article "Why can't I Transfer Tokens?" to help you understand why your transaction failed, fix the issue, and send the transaction again.
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Disclaimer: We always strive to provide you with the best support we can and we take all care to ensure that our instructions are accurate and concise. However, following these instructions properly, as well as the general management of your accounts and funds, is ultimately your responsibility. Web3 Foundation cannot be held liable for any accidental loss of funds or any other damage you might incur.