LINE BITMAX Help Center

Important: LINE BITMAX phase-out and procedures (from March 3, 2026)
Adding a bank account
- Adding a bank account
- Passcode
Taxes/Trade reports

Passcode

To ensure that everyone can use LINE BITMAX safely, a six-digit passcode is required to verify that the account owner is the one accessing the account.

You may be asked to enter your passcode when making transactions, so be sure to set one up.

Please manage your passcode responsibly and do not share it with others under any circumstances.

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In order to use LINE BITMAX safely, you're required to set a six-digit passcode.

Please be aware that you cannot set one if:
• It's the same as your current passcode.
• The same number is being used three or more times consecutively (e.g., 111, 222).
• There is only a combination of two numbers (e.g. 121212, 343434).
• There are three or more consecutive numbers in a row (e.g. 123, 456).
• It includes the last four digits of your phone number registered with LINE.
Note: For example, if your registered phone number is 090-1234-5678, your 6-digit passcode can't include 5678.

If you can't reset your passcode with the steps after selecting Forgot your passcode, see the following Help article.

I can't reset my passcode

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You can reset your passcode by following the steps below after updating the LINE app to the latest version.
Note:
- Your email address registered to LINE is used to reset your passcode.
- Make sure you can use the email address you registered via the Home tab in the LINE app > Settings > Account.
- If you're unable to use your registered email address, refer to Registering/checking/changing your email address and password, then change it to one you can use.

1. Tap Forgot your passcode? above the numeric keypad or go through the required steps if you enter the wrong passcode five times in a row.
2. The email address you registered with LINE will appear. Tap Send to proceed.
3. Confirm the six-digit verification code that was sent to your email address.
Note: When you confirm the verification code, please do so by switching to your email app without closing the LINE app.
4. Return to the LINE BITMAX screen and enter the verification code in the input box, then tap Next.
Note: Please enter the verification code within five minutes of tapping Send.

If you're not receiving the verification code email

See the information in this Help article.
Note: Tap I'm not receiving the verification code/I want to change my registered email address in the Help article.

For security reasons, restrictions will be placed on making withdrawals or sending crypto assets for 24 hours after resetting your passcode.

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With LINE BITMAX, you need to enter your passcode when depositing/withdrawing Japanese yen and sending/receiving crypto assets.

All features requiring your passcode will be restricted if you enter it incorrectly five times. If your passcode is locked, refer to the steps in this Help article.

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If you can't reset your passcode using the steps in the following Help article, see the information below based on your situation.

I forgot my passcode (resetting your passcode)

I'm not receiving the verification code/I want to change my registered email address

Verification codes are sent via email to your email address registered with your LINE account. First, check if the email address registered to your LINE account can be used.
Note: You can check your registered email address on LINE by tapping the Home tab > Settings > Account.

If you want to change the email address registered to your LINE account, refer to the following Help article.

Registering/checking/changing your email address and password

If you can use your email address but are not receiving the verification code email, please try the following troubleshooting tips.

• Check if the email was sent to your spam folder or another folder.
• If you have domain filters in place, please add "bitmax.me" to your list of accepted domains.
• Disable any filters you have in place.
Note: This includes filters for blocking emails that contain URLs, blocking emails from PCs, etc.
• Disable email forwarding if you have it configured.

You are locked from resetting your passcode after 10 failed verification code input attempts

After 10 failed verification code input attempts, you will be locked from resetting your passcode.

You will not be able to have a verification code reissued for an hour after being locked. Please try again after at least an hour has passed.
Note: We are unable to lift the passcode lock even if you contact us via the Inquiry Form.

Other issues

Please try the following troubleshooting tips.

• Restart the LINE app and your device.
• Update the LINE app.

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With the end of the LINE Pay service, the LINE Pay passcode you have been using on LINE BITMAX up to December 18, 2024, will no longer be valid. Please set a new LINE BITMAX passcode to use on the service from December 19, 2024.
Note: You can continue using your LINE Pay passcode on LINE Pay.

Please understand that you will not be able to use some features if you don't set a new passcode.

See also:
I want to change my passcode

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All features requiring your passcode will be locked after it's entered incorrectly five times.

You need to reset your passcode to lift the restrictions. See the following Help article for details.

I forgot my passcode (resetting your passcode)

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With the end of the LINE Pay service, your LINE Pay passcode can no longer be used. To continue using the LINE BITMAX service, you need to set a new passcode.

If you didn't set a new passcode by 11 am on April 23, 2025, some transactions and features have been restricted. To lift these restrictions, you need to verify your identity using your My Number Card. For more information, see the following Help article.

[Important] If you haven't reset your LINE BITMAX passcode by April 23, 2025

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As mentioned in our notice about resetting your passcode, you need to set a new six-digit passcode to use LINE BITMAX.
Note: If you haven't set a new passcode, you'll be shown instructions to do so when you access LINE BITMAX service screens.

If you haven't set a new passcode by 11 am on April 23, 2025, some transactions and features will be restricted. Please verify your identity from the pop-up instructing you to do so that's shown when you try to use a restricted transaction or feature.

Transactions and features subject to being restricted:
• Adding a new bank account
• Viewing/changing your personal information
• Viewing/changing your registered information
• Opening a margin trading account
• Deleting your LINE BITMAX account
• Trading on the brokerage (In principle, per day amounts of JPY 100,000 and greater in transactions are subject to restriction. If you opted to add passcode verification, per day amounts under JPY 100,000 in transactions are also included.)
• Trigger orders on the brokerage
• Trading on the exchange
• Margin trading (margin sell and closing buy trades)
• Withdrawing Japanese yen
• Receiving crypto assets
• Sending crypto assets
• Submitting new lending applications for the Crypto Asset Lending Service
• Changing your passcode and adding passcode verification for certain transactions and features
• Issuing trade reports (if you've opted to add passcode verification for it)

To remove the restrictions:
• You need to verify your identity with your My Number Card.
Note: Your identity cannot be verified with a form of ID other than your My Number Card. If you don't have a My Number Card, you can verify your identity after acquiring one.
• Please verify your identity by tapping Verify on the pop-up shown when you try to use a restricted transaction or feature. For more information about how to verify your identity, see this LINE BITMAX official blog content. (Only available in Japanese.)

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Passcode

Passcode

About passcodes

Numbers that can't be used for passcodes

Resetting a forgotten passcode

I entered the wrong passcode and it was locked

I can't reset my passcode

Can I use the passcode I set for LINE Pay?

A message saying "All features needing your passcode have been locked" appeared

When I accessed LINE BITMAX, it asked me to set a new passcode

If you haven't reset your LINE BITMAX passcode by April 23, 2025