10–4,000 characters. For deposits or withdrawals, include the network and transaction hash — never a password, seed phrase or private key.
We use your details only to answer you. See the Privacy Policy.

Security issue

Found a vulnerability or suspect your account was accessed? Email us at the Security address listed on this page (or Support, if no Security address is listed), or choose the "Security" category in the form. Please don't exploit the issue or share it publicly before we've fixed it.

We will never ask for your password, seed phrase or private key.