How to link an existing account to a Xumm card
Re-keying an existing account to a Xumm card
This process will allow you to sign transactions on a Xumm card account using an existing XRP Ledger account.
Step 1: Import your new Xumm card into Xumm
Import your card into Xumm by following the these instructions:
page...a Xumm cardStep 2: Activate your new card account with at least 10 XRP
In order to hold assets in a XRP Ledger account, it must first be activated with at least 10 XRP.
This article explains how to activate an XRPL account:
pageActivating an account (XRPL)Step 3: Copy the r-address for your existing account
Switch accounts to your existing XRPL account and press the Request button then press the Copy button:
then switch accounts to your Xumm card account and press here to go to XRP Ledger Services.
Step 4: Sign into XRPL.Services with your Xumm card
Step 5: Set the Regular Key for your Xumm card account
On the XRP Ledger Services page, select Set Regular Key
Paste the r-address for your existing account into the field titled, "XRPL address which will be able to sign transactions", then press the Send Set Regular Key to Xumm button.
Step 6: Sign the transaction with your Xumm card
Sign the transaction with your Xumm card and you're all done!
Frequently asked Questions
What if I want to link my Xumm card to an existing account?
Step 1: Make sure you have a existing XRP Ledger account (Primary account)
The existing account must be imported into Xumm with Full access and you must be able to sign transactions on this account. (This is your XRPL account that contains your XRP, your Trust Lines, Escrows, DEX transactions, etc.)
Step 2: Import your new Xumm card into Xumm
Import you card into Xumm by following the these instructions:
page...a Xumm cardStep 3: Copy the r-address for your card
After you have imported your Xumm card, press the Request button then press the Copy button:
then switch accounts to your Primary account (your existing account) in Xumm and press here to go to XRP Ledger Services.
Step 4: Sign into XRPL.Services with your existing account
Step 5: Set the Regular Key for your existing account
On the XRP Ledger Services page, select Set Regular Key
Paste the r-address for your new Xumm card in the field titled, "XRPL address which will be able to sign transactions", then press the Send Set Regular Key to Xumm button.
Step 6: Sign the transaction with your existing account
Sign the transaction in Xumm and you're all done!
What is the recommended way to configure my Xumm cards?
The recommended and ideal way to configure a card is to have two cards, then "link" them together using the Tangem Backup xApp. This is explained in this article:
pageGetting started with your new cards 🤗I only have one card though...
Each card will generate and store an XRP Ledger account secret on the card.
The account secret can not be viewed and extracted from the card and anytime you want to sign transaction on the card's account, you must have the card with you.
This is a great security feature but since the account secret only exists in one place, (on the card) what would happen if you lost or damaged the card? (You would lose access to your funds!)
This is why we only sell a minimum of two cards. With two Xumm cards, you can create a backup card which allows you to access your funds in case one of them is ever lost or damaged.
If you only have one card, "linking" an existing account to it allows your existing account to act as a backup in case something happens to the card.
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