Dear joaolyra,
Thank you for sharing your feedback. We take every comment very seriously as we are doing our best in order to improve our service.
Kindly be informed that we have certain procedures that are obliged to ensure compliance with high international standards and policies. And in order to prevent and mitigate possible risks of CEX.IO being involved in any kind of illegal activity we may request our users to provide some additional information. And some services of our platform might be temporarily suspended until an obligatory AML/KYC procedures for the account are not completed yet. You may find out more informaton with regard to those procedures via the following link: https://cex.io/aml-kyc
Also following such strict security rules helps CEX.IO to support a strongly secured environment, so our users can feel comfortable and sаfe, using our platform.
Should you need any assistance, please feel free to contact our Customer Support team via the next channels:
https://support.cex.io/hc/en-us/requests/new - Help Centre
https://www.facebook.com/CEX.IO - Facebook
https://twitter.com/cex_io - Twitter
We are happy to assist you 24/7.