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Your phone number and email address are linked to your registered information on LINE. Please change the information registered to your LINE account.
For the steps to change your phone number or email address, see the following Help articles.
Checking/changing your phone number
Registering/checking/changing your email address and password
• Changing your name or address
See to the following Help article, then change your information.
Updating your registered personal information
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Note: Your trade history and balance cannot be restored once your LINE BITMAX account has been deleted.
You cannot delete your LINE BITMAX account if:
• You have crypto assets available to trade or send.
• Your balance of Japanese yen exceeds the withdrawal fee.
• You have any pending transactions.
If you can't delete your LINE BITMAX account, try doing so after selling your crypto assets, sending them to another wallet, or withdrawing your Japanese yen.
Also, if you have Japanese yen in your margin account, please transfer the funds to your spot account via inter-account transfer beforehand.
See also:
Minimum crypto asset amounts that can be sent
Trading units for buying/selling crypto assets
Selling crypto assets
Sending crypto assets to wallets outside of LINE BITMAX
Withdrawing money (JPY)
I can't delete my LINE BITMAX account
Contact us:
Send us an email at any time via this Inquiry Form.
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Note: If you want to delete your LINE Pay account, you also need to first delete your LINE BITMAX account.
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Topics covered
- An error message saying “Your crypto assets exceed the minimum send amount” appears
- Another error message appears/I'm unable to perform the actions to delete my account
An error message saying “Your crypto assets exceed the minimum send amount” appears:
First, from the LINE BITMAX 口座 (Accounts) screen, scroll down and check each crypto asset you own.
Note: Tap here to go to the 口座 (Accounts) screen from your smartphone.
For KAIA, if you have KAIA 100 or more, or have other crypto assets besides KAIA valued at JPY 1 or more, follow the steps under the image below.
Note: For Flare (FLR), if you have FLR 0.2 or more, please send it to another wallet.

If you have balances of crypto assets:
The steps vary depending on the type of crypto asset. Follow the instructions in the relevant section below.
For KAIA, if you own KAIA 100 or more
Sell your KAIA on the exchange and convert it to Japanese yen.Note:
- You can sell in increments of KAIA 100.
- Your converted Japanese yen will be reflected under メイン口座:日本円 (Spot account: JPY) from the LINE BITMAX 口座 (Accounts) screen.
- Tap here to go to the 口座 (Accounts) screen from your smartphone.
For information on using the exchange service, see the following LINE BITMAX official blog post. (Only available in Japanese.)
How to use the LINE BITMAX exchange service
If you have crypto assets other than KAIA valued at JPY 1 or more
Please send your crypto assets to another wallet or sell them.Note: You can only send crypto assets to another wallet if your balance is the minimum sending amount plus the sending fee or more.
To send your crypto assets to another wallet:
Follow the steps in the Help article below.
Sending crypto assets to wallets outside of LINE BITMAX
To sell your crypto assets:
Follow the steps in the Help article below.
Selling crypto assets
Once sold, they will be converted to Japanese yen and be reflected under メイン口座:日本円 (Spot account: JPY) from the LINE BITMAX 口座 (Accounts) screen.
Note: Tap here to go to the 口座 (Accounts) screen from your smartphone.

An error message saying “Your JPY balance exceeds the withdrawal fee or have any pending transactions (Lending)” appears:
Please see if you are lending any assets from the LINE BITMAX home screen > Lending > My lending and take action according to your situation.
Note: Tap here to go to My lending from your smartphone.
If you're lending crypto assets
1. After cancelling the loan, receive the loan amount and interest.2. Check your crypto asset holdings and take action accordingly.
Note: You won't be able to delete your account if your crypto assets exceed the minimum send amount. For the steps to check and sell your holdings, see the An error message saying “Your crypto assets exceed the minimum send amount” appears section of the current Help article.
If you're not lending crypto assets
From the LINE BITMAX 口座 (Accounts) screen, scroll down and check each crypto asset you own.Note: Tap here to go to the 口座 (Accounts) screen from your smartphone.
Follow the instructions for the situation written below the following image that matches the state of your holdings.

For KAIA, if you have KAIA 100 or more, or have other crypto assets besides KAIA valued at JPY 1 or more:
See the If you have balances of crypto assets section in this Help article.
If the above doesn't apply to you:
You won't be able to delete your account because you have JPY 401 or more in your spot account. Please withdraw it by following the steps in the Help article below.
Withdrawing money (JPY) from LINE BITMAX
Note: If you have crypto assets that haven't finished being returned after the lending period has ended or the loan has been canceled, take the above actions after they've been returned.
Another error message appears/I'm unable to perform the actions to delete my account:
An error message saying “Action is required on your margin trading account” appears
Follow the instructions below that match your situation after confirming whether:• There is a balance in your margin account.
• There is a negative balance in your margin account.
• You have any positions or unfilled orders.
Note:
- You can check your positions and unfilled orders from the LINE BITMAX home screen > the relevant crypto asset from the Brokerage tab > the 信用取引/注文履歴 (Margin trades/Order history) tab.
- Tap here to go to the LINE BITMAX home screen from your smartphone.
If you have a balance in your margin account:
Please transfer the Japanese yen to your spot account.
If you have a negative balance in your margin account:
Please transfer enough Japanese yen from your spot account to your margin account to cover the negative margin.
If you have any positions or unfilled orders:
Clear them, such as by making closing buy trades or cancelling your unfilled orders.
See also:
Using the Crypto Asset Margin Trading Service (Only available in Japanese)
Depositing money (JPY) into your margin account
An error message saying “You have a deposit/withdrawal request or crypto asset transaction that is being processed” appears
Crypto assets you sent or received have not finished being processed or there is a request to withdraw or deposit Japanese yen. Please wait for the relevant transactions to be reflected.An error message saying “You have any pending transactions (Lending)” appears
You have crypto assets that are being lent or returned. Please receive the loan amount and interest after cancelling the loan.An error message saying “You have an unfilled order with the exchange service” appears
Clear any unfilled orders, such as by cancelling them. For information on how to check unfilled orders, see the following Help article.Checking unfilled orders
If you see a different error message than the ones above or you're unable to perform the actions to delete your account, contact us via this Inquiry Form.
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Note: After the applicable period has ended, you will not be able to use all of LINE BITMAX's functions until you finish resetting your passcode. Please do so as soon as possible.
See also:
Setting a passcode
I forgot my passcode (resetting your passcode)
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