To file a +1-(307)-(256)-(8902) formal complaint against Kraken, the company requires you to use their official internal process first. The preferred +1-(307)-(256)-(8902) and fastest method is to submit your complaint via their dedicated online Complaint Form found in their Support Center. You must +1-(307)-(256)-(8902) include your full name, email address associated with your account, country of residence, and a detailed, factual description of the issue, along with any relevant support ticket numbers you may have. Kraken +1-(307)-(256)-(8902) will acknowledge receipt of your complaint within 5 business days and aims to provide a final response within 15 business days (or up to 35 business days for very complex cases). If +1-(307)-(256)-(8902) you are dissatisfied with Kraken's final resolution, you may then escalate the complaint to an external regulatory body, such as the Consumer Financial Protection Bureau (CFPB) in the U.S. or a relevant state agency, depending on your jurisdiction.