Account attribution guide · Updated August 2026

Can You Add a Crypto Referral Code After Signup?

Usually, a crypto exchange referral code must be attached while the account is created. Some exchanges may offer a limited correction process, but retroactive linking is not guaranteed.

Why referral codes are normally locked at signup

An exchange records the referral relationship when a new account is created. That attribution can affect commissions, campaign eligibility and abuse controls, so many platforms do not let users change it later.

A missing code does not necessarily mean an account is incomplete. It means the account may not be connected to the intended referrer or campaign.

What to do if you already registered

Do not create duplicate accounts unless the exchange explicitly permits it. Contact the exchange through its official support channel and ask whether referral attribution can be corrected for your account.

  • Provide the referral code and approximate signup time.
  • Do not send passwords, one-time codes, API secrets or wallet recovery phrases.
  • Ask whether any promotion remains eligible before depositing or trading.
  • Keep the support response for your records.

How to avoid the problem

Open the intended registration link in a private browser window, check the final domain and confirm the referral field before submitting the form. Regional redirects can sometimes remove or replace tracking parameters.

Frequently asked questions

Can support add a referral code later?

Possibly, but it depends on the exchange, account status and current policy. It should not be assumed.

Should I close the account and register again?

Not without written confirmation from the exchange. Duplicate-account rules and waiting periods may apply.

Can an existing user receive a new-user referral offer?

Generally not. New-user and existing-user campaigns usually have separate eligibility rules.

Crypto assets are highly volatile. You may lose all funds committed. This guide is informational and does not provide investment advice.