Participation in Circle is voluntary and research opportunities may have additional eligibility requirements.
Reward eligibility, amount, timing and redemption thresholds may vary by activity and market. A displayed reward category does not guarantee immediate redemption availability.
Circle may use reasonable quality and security controls to protect genuine participants and research integrity.
Accounts may be limited or closed for misuse, duplicate registration, fraudulent activity or material violation of program terms.
Important: These terms require formal review before broad public recruitment.