There is no pro.
Circle steals user funds through their sister company Poloniex.
Circle's sister company Poloniex is holding funds from unverified accounts hostage, despite previous assurance the ability to withdraw would remain untouched.
Email sent 4 hours ago:
We are requiring that all legacy Poloniex accounts become verified through the latest version of our verification portal. Our records indicate that you have a legacy account. Please visit your profile page and follow the instructions to complete this verification. During the process, you’ll be asked to provide a verification photo of yourself as well as a photo of a valid government-issued ID card or passport. When taking your verification photo, please follow these guidelines.
We appreciate your cooperation in this process. You will not have the ability to use your Poloniex account until your profile verification is complete, so please take action on this as soon as possible. Once we receive and verify your information, full account functionality will be restored, and your daily withdrawal limits will be increased to $25k USD equivalent.
You’ll have 14 days from the date this email was sent to verify your account information.
- The Poloniex Team"
Do not trust Circle and Poloniex. Absolutely appaling support coupled with outright theft of user funds.