Create Account
Please note that this document will be updated periodically.
Step 1: Start Account Creation
How to start registration
You can start the registration process from any of the three entry points below.
- Option 1: head to cryptool.io and click Launch dApp on the top right, then click Sign Up on the top right.
- Option 2: head to app.cryptool.io and click Sign Up on the top right.
- Option 3: click on a referral link you've been given and proceed with the sign-up flow.

Signing up
Choose between Google or Email registration.

Required core fields
The following fields are required when registering at app.cryptool.io.
- Email Address: primary identifier for the user (Google email is used automatically when signing up with Google).
- Password: must follow our security standards:
- Minimum length of 6 characters.
- Less than 30 characters.
- Must include at least one special character (e.g.
!@#$%).
- Confirm Password: re-enter the same password to verify.
- Username: a unique identifier for your account.
- User Type: select one or more options from the list of user types that best describe you (this can be edited later).
Optional fields
- Ambassador Program: optional referral field. The referral code is filled automatically if you used a referral link.
- Newsletter Subscription: opt in or out of receiving Cryptool updates.
Legal fields
- Terms & Conditions / Privacy Policy: you must tick the checkbox to agree before proceeding.


Step 2: Validation
Form validation
- Email: must be in the correct format (e.g.
example@domain.com) and must be unique. It cannot already be used by another account. - Password: validated for length, complexity, and that the confirmation matches.
- Username: checked in real time and must be unique. It cannot already be used by another account.
Email validation
After signing up, a verification email is sent to your inbox.
- If you don't see the email, check your Junk / Spam folder.
- If it still hasn't arrived, click Resend Verification Email on the login page.

Step 3: User Security
Two-Factor Authentication (2FA)
After registration, you can enhance your account security from the User Profile in the top right of the platform.
- Choose between Email or Google Authenticator as the 2FA method.
- Once enabled, an additional code sent to your phone or email is required at every login.
